Except ImportError when not packaged

sherlock/sherlock.py

@@ -7,12 +7,26 @@
 networks.
 """
 
+import sys
+
+# Many users are running Sherlock with `python3 sherlock/sherlock.py ...` and opening bug reports when they get ImportErrors.
+# This is a temporary(ish) notification to users who do so.
+try:
+    from sherlock.__init__ import ( # noqa: E402
+        __longname__,
+        __version__
+    )
+except ImportError:
+    print("Did you run Sherlock with `python3 sherlock/sherlock.py ...`?")
+    print("This is an outdated method. Please see https://sherlockproject.xyz/installation for up to date instructions.")
+    print("Most users can simply run `pipx install sherlock-project`, but other options are detailed on that website.")
+    sys.exit(1)
+
 import csv
 import signal
 import pandas as pd
 import os
 import re
-import sys
 from argparse import ArgumentParser, RawDescriptionHelpFormatter
 from time import monotonic
 
@@ -24,11 +38,6 @@
 __version__ = "0.14.4"
 del __version__
 
-from .__init__ import ( # noqa: E402
-    __longname__,
-    __version__
-)
-
 from requests_futures.sessions import FuturesSession    # noqa: E402
 from torrequest import TorRequest                       # noqa: E402
 from sherlock.result import QueryStatus                 # noqa: E402