3.21.2: sphinx warnings reference target not found

[kloczek]

On building my packages I'm using sphinx-build command with -n switch which shows warmings about missing references. These are not critical issues.
Here is the output with warnings:

+ /usr/bin/sphinx-build -n -T -b man docs build/sphinx/man
Running Sphinx v7.3.7
making output directory... done
loading intersphinx inventory from https://python.readthedocs.io/en/latest/objects.inv...
[autosummary] generating autosummary for: api_reference.rst, authors.rst, changelog.rst, code_of_conduct.rst, contributing.rst, custom_fields.rst, ecosystem.rst, examples.rst, extending.rst, index.rst, ..., marshmallow.exceptions.rst, marshmallow.fields.rst, marshmallow.schema.rst, marshmallow.utils.rst, marshmallow.validate.rst, nesting.rst, quickstart.rst, upgrading.rst, whos_using.rst, why.rst
WARNING: Failed to import marshmallow.utils.
Possible hints:
* ModuleNotFoundError: No module named 'marshmallow'
* KeyError: 'marshmallow'
WARNING: Failed to import marshmallow.error_store.
Possible hints:
* ModuleNotFoundError: No module named 'marshmallow'
* KeyError: 'marshmallow'
WARNING: Failed to import marshmallow.class_registry.
Possible hints:
* ModuleNotFoundError: No module named 'marshmallow'
* KeyError: 'marshmallow'
WARNING: Failed to import marshmallow.
Possible hints:
* ModuleNotFoundError: No module named 'marshmallow'
* KeyError: 'marshmallow'
WARNING: Failed to import marshmallow.fields.
Possible hints:
* ModuleNotFoundError: No module named 'marshmallow'
* KeyError: 'marshmallow'
WARNING: Failed to import marshmallow.exceptions.
Possible hints:
* ModuleNotFoundError: No module named 'marshmallow'
* KeyError: 'marshmallow'
WARNING: Failed to import marshmallow.validate.
Possible hints:
* ModuleNotFoundError: No module named 'marshmallow'
* KeyError: 'marshmallow'
WARNING: Failed to import marshmallow.decorators.
Possible hints:
* ModuleNotFoundError: No module named 'marshmallow'
* KeyError: 'marshmallow'
building [mo]: targets for 0 po files that are out of date
writing output...
building [man]: all manpages
updating environment: [new config] 26 added, 0 changed, 0 removed
reading sources... [100%] why
WARNING: autodoc: failed to import module 'marshmallow'; the following exception was raised:
No module named 'marshmallow'
CHANGELOG.rst:206: ERROR: Unexpected indentation.
CHANGELOG.rst:781: WARNING: Bullet list ends without a blank line; unexpected unindent.
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:1: WARNING: duplicate object description of marshmallow, other instance in examples, use :no-index: for one of them
WARNING: autodoc: failed to import module 'class_registry' from module 'marshmallow'; the following exception was raised:
No module named 'marshmallow'
WARNING: autodoc: failed to import module 'decorators' from module 'marshmallow'; the following exception was raised:
No module named 'marshmallow'
WARNING: autodoc: failed to import module 'error_store' from module 'marshmallow'; the following exception was raised:
No module named 'marshmallow'
WARNING: autodoc: failed to import module 'exceptions' from module 'marshmallow'; the following exception was raised:
No module named 'marshmallow'
WARNING: autodoc: failed to import module 'fields' from module 'marshmallow'; the following exception was raised:
No module named 'marshmallow'
WARNING: autodoc: failed to import class 'schema.Schema' from module 'marshmallow'; the following exception was raised:
No module named 'marshmallow'
WARNING: autodoc: failed to import class 'schema.SchemaOpts' from module 'marshmallow'; the following exception was raised:
No module named 'marshmallow'
WARNING: autodoc: failed to import module 'utils' from module 'marshmallow'; the following exception was raised:
No module named 'marshmallow'
WARNING: autodoc: failed to import module 'validate' from module 'marshmallow'; the following exception was raised:
No module named 'marshmallow'
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:1: WARNING: duplicate object description of marshmallow, other instance in extending, use :no-index: for one of them
looking for now-outdated files... none found
pickling environment... done
checking consistency... done
writing... python-marshmallow.3 { install quickstart nesting custom_fields extending examples api_reference marshmallow.schema marshmallow.fields marshmallow.decorators marshmallow.validate marshmallow.utils marshmallow.error_store marshmallow.class_registry marshmallow.exceptions why changelog upgrading ecosystem whos_using license authors contributing code_of_conduct kudos } /home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/install.rst:6: WARNING: py:obj reference target not found: packaging
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:28: WARNING: py:class reference target not found: fields.Field
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:47: WARNING: py:obj reference target not found: marshmallow.Schema.from_dict
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:57: WARNING: py:obj reference target not found: marshmallow.Schema.from_dict
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:62: WARNING: py:meth reference target not found: marshmallow.Schema.dump
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:76: WARNING: py:meth reference target not found: marshmallow.Schema.dumps
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:101: WARNING: py:obj reference target not found: Schema.dump
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:101: WARNING: py:obj reference target not found: Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:104: WARNING: py:meth reference target not found: Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:104: WARNING: py:exc reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:128: WARNING: py:class reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:128: WARNING: py:obj reference target not found: marshmallow.decorators.post_load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:144: WARNING: py:obj reference target not found: Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:179: WARNING: py:meth reference target not found: Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:179: WARNING: py:meth reference target not found: Schema.loads
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:179: WARNING: py:exc reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:179: WARNING: py:obj reference target not found: marshmallow.exceptions.ValidationError.messages
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:179: WARNING: py:obj reference target not found: marshmallow.exceptions.ValidationError.valid_data
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:179: WARNING: py:class reference target not found: fields.Email
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:179: WARNING: py:class reference target not found: fields.URL
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:246: WARNING: py:exc reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:277: WARNING: py:meth reference target not found: Schema.dump
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:283: WARNING: py:func reference target not found: Schema.handle_error
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:295: WARNING: py:obj reference target not found: marshmallow.decorators.validates
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:316: WARNING: py:meth reference target not found: Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:379: WARNING: py:obj reference target not found: load_default
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:379: WARNING: py:obj reference target not found: dump_default
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:399: WARNING: py:meth reference target not found: Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:399: WARNING: py:exc reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:403: WARNING: py:obj reference target not found: marshmallow.utils.RAISE
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:403: WARNING: py:exc reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:405: WARNING: py:obj reference target not found: marshmallow.utils.EXCLUDE
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:406: WARNING: py:obj reference target not found: marshmallow.utils.INCLUDE
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:408: WARNING: py:obj reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:425: WARNING: py:obj reference target not found: Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:431: WARNING: py:meth reference target not found: Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:439: WARNING: py:meth reference target not found: Schema.validate
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:468: WARNING: py:obj reference target not found: data_key
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:510: WARNING: py:class reference target not found: marshmallow.fields.String
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/quickstart.rst:510: WARNING: py:class reference target not found: marshmallow.fields.DateTime
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/nesting.rst:25: WARNING: py:class reference target not found: marshmallow.fields.Nested
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/nesting.rst:58: WARNING: py:obj reference target not found: marshmallow.fields.Nested
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/nesting.rst:58: WARNING: py:obj reference target not found: marshmallow.fields.List
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/nesting.rst:103: WARNING: py:class reference target not found: marshmallow.fields.Pluck
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/nesting.rst:171: WARNING: py:obj reference target not found: marshmallow.fields.Nested
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/nesting.rst:226: WARNING: py:obj reference target not found: marshmallow.fields.Nested
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/nesting.rst:264: WARNING: py:obj reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:5: WARNING: py:obj reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:7: WARNING: py:class reference target not found: marshmallow.fields.Field
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:8: WARNING: py:class reference target not found: marshmallow.fields.Method
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:9: WARNING: py:class reference target not found: marshmallow.fields.Function
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:16: WARNING: py:class reference target not found: marshmallow.fields.Field
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:16: WARNING: py:meth reference target not found: marshmallow.fields.Field._serialize
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:16: WARNING: py:meth reference target not found: marshmallow.fields.Field._deserialize
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:49: WARNING: py:class reference target not found: marshmallow.fields.Method
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:65: WARNING: py:class reference target not found: marshmallow.fields.Function
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:65: WARNING: py:class reference target not found: marshmallow.fields.Method
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:76: WARNING: py:obj reference target not found: Method
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:76: WARNING: py:obj reference target not found: Function
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:79: WARNING: py:class reference target not found: marshmallow.fields.Function
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:79: WARNING: py:class reference target not found: marshmallow.fields.Method
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:100: WARNING: py:obj reference target not found: Method
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:100: WARNING: py:obj reference target not found: Function
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:103: WARNING: py:class reference target not found: marshmallow.fields.Function
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:103: WARNING: py:class reference target not found: marshmallow.fields.Method
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:105: WARNING: py:obj reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:105: WARNING: py:class reference target not found: marshmallow.fields.Function
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:105: WARNING: py:class reference target not found: marshmallow.fields.Method
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:148: WARNING: py:obj reference target not found: Field's
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/custom_fields.rst:150: WARNING: py:obj reference target not found: Field's
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:9: WARNING: py:obj reference target not found: marshmallow.decorators.pre_load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:9: WARNING: py:obj reference target not found: marshmallow.decorators.post_load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:9: WARNING: py:obj reference target not found: marshmallow.decorators.pre_dump
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:9: WARNING: py:obj reference target not found: marshmallow.decorators.post_dump
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:34: WARNING: py:func reference target not found: marshmallow.Schema.dump
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:34: WARNING: py:func reference target not found: marshmallow.Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:104: WARNING: py:obj reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:128: WARNING: py:obj reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:224: WARNING: py:class reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:224: WARNING: py:obj reference target not found: marshmallow.decorators.validates_schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:253: WARNING: py:exc reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:307: WARNING: py:obj reference target not found: marshmallow.decorators.post_load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:307: WARNING: py:obj reference target not found: marshmallow.decorators.validates_schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:338: WARNING: py:obj reference target not found: utils.get_value
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:340: WARNING: py:meth reference target not found: marshmallow.Schema.get_attribute
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:356: WARNING: py:meth reference target not found: Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:356: WARNING: py:exc reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:358: WARNING: py:class reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:358: WARNING: py:obj reference target not found: marshmallow.Schema.handle_error
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:358: WARNING: py:exc reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:386: WARNING: py:class reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:386: WARNING: py:class reference target not found: Schema.Meta
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:388: WARNING: py:class reference target not found: SchemaOpts
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:428: WARNING: py:class reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:467: WARNING: py:obj reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:480: WARNING: py:obj reference target not found: marshmallow.Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:480: WARNING: py:obj reference target not found: marshmallow.Schema.loads
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:480: WARNING: py:obj reference target not found: marshmallow.exceptions.ValidationError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:480: WARNING: py:obj reference target not found: marshmallow.Schema.error_messages
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/extending.rst:491: WARNING: py:obj reference target not found: marshmallow.fields.Field.default_error_messages
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/examples.rst:15: WARNING: py:meth reference target not found: Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/examples.rst:145: WARNING: py:obj reference target not found: marshmallow.decorators.pre_load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/examples.rst:232: WARNING: py:obj reference target not found: marshmallow.Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/examples.rst:232: WARNING: py:obj reference target not found: marshmallow.decorators.pre_load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/examples.rst:232: WARNING: py:obj reference target not found: marshmallow.decorators.post_load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/examples.rst:297: WARNING: py:obj reference target not found: marshmallow.Schema.on_bind_field
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/why.rst:18: WARNING: py:class reference target not found: marshmallow.Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/why.rst:18: WARNING: py:obj reference target not found: marshmallow.Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/why.rst:18: WARNING: py:meth reference target not found: marshmallow.Schema.dump
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/why.rst:18: WARNING: py:meth reference target not found: marshmallow.Schema.load
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/why.rst:28: WARNING: py:class reference target not found: marshmallow.Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/why.rst:30: WARNING: py:obj reference target not found: marshmallow.Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/why.rst:53: WARNING: py:class reference target not found: Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/docs/why.rst:64: WARNING: py:obj reference target not found: marshmallow.Schema
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:65: WARNING: py:obj reference target not found: OrderedSet
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:65: WARNING: py:obj reference target not found: set_class
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:886: WARNING: py:obj reference target not found: StringNotCollectionError
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:1090: WARNING: py:obj reference target not found: default
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:1090: WARNING: py:obj reference target not found: default
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:1133: WARNING: py:obj reference target not found: 325
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:1314: WARNING: py:obj reference target not found: alefnula
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:1406: WARNING: py:obj reference target not found: __getitem__
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:1512: WARNING: py:obj reference target not found: Function
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:1929: WARNING: py:obj reference target not found: Schema.dump
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:1940: WARNING: py:obj reference target not found: {input}
/home/tkloczko/rpmbuild/BUILD/marshmallow-3.21.2/CHANGELOG.rst:2208: WARNING: py:obj reference target not found: class Meta
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done
build succeeded, 276 warnings.

Firset set of warnings No module named 'marshmallow' is possible to fix by patch like below:

--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,4 +1,8 @@
 import alabaster
+import sys
+import os
+
+sys.path.insert(0, os.path.abspath("../src"))

 extensions = [
     "sphinx.ext.autodoc",

This patch fixes what is in the comment and that can of fix is suggested in sphinx example copy.py https://www.sphinx-doc.org/en/master/usage/configuration.html#example-of-configuration-file

You can peak on fixes that kind of issues in other projects
RDFLib/rdflib-sqlalchemy#95
RDFLib/rdflib#2036
click-contrib/sphinx-click@abc31069
frostming/unearth#14
jaraco/cssutils#21
latchset/jwcrypto#289
latchset/jwcrypto#289
pypa/distlib@98b9b89f
pywbem/pywbem#2895
sissaschool/elementpath@bf869d9e
sissaschool/xmlschema@42ea98f2
sqlalchemy/sqlalchemy@5e88e6e8

[fzhu886]

fix-sphinx-warnings.patch
I asked Devin.ai to fix this, maybe give it a try.

[deckar01]

I think newer versions of python are better at importing through non-module directories. That said, I think the CI job installs the package like python -m pip install -e ., which should allow it to be imported as long as sphinx-build is linked to the correct python version.

Neither of those patches should be necessary. Especially not the AI regurgitated one. 😛