fix(deps): dependencies updates that were crashing

VERSION.txt

@@ -1 +1 @@
-3.4.15
+3.4.16

requirements.txt

@@ -1,31 +1,31 @@
-argh==0.26.2
-atomicwrites==1.3.0
-attrs==19.1.0
-certifi==2019.3.9
-chardet==3.0.4
-codacy-coverage==1.3.11
-codeclimate-test-reporter==0.2.3
-colorama==0.4.1
-colored==1.3.93
-coverage==4.5.3
-docopt==0.6.2
-idna==2.8
-more-itertools==7.0.0
-pathlib==1.0.1
-pathtools==0.1.2
-pip==19.0.3
-pluggy==0.9.0
-py==1.8.0
-pycodestyle==2.5.0
-pytest==4.4.0
-pytest-cov==2.6.1
-pytest-watch==4.2.0
+argh~=0.26.2
+atomicwrites~=1.3.0
+attrs~=19.1.0
+certifi~=2019.3.9
+chardet~=3.0.4
+codacy-coverage~=1.3.11
+codeclimate-test-reporter~=0.2.3
+colorama~=0.4.1
+colored~=1.3.93
+coverage~=4.5.3
+docopt~=0.6.2
+idna~=2.8
+more-itertools~=7.0.0
+pathlib~=1.0.1
+pathtools~=0.1.2
+pip~=19.0.3
+pluggy~=0.9.0
+py~=1.8.0
+pycodestyle~=2.5.0
+pytest~=4.4.0
+pytest-cov~=2.6.1
+pytest-watch~=4.2.0
 pyyaml>=4.2b1
-requests==2.21.0
-setuptools==40.8.0
-six==1.12.0
-urllib3==1.24.1
-watchdog==0.9.0
-wheel==0.33.1
+requests~=2.21.0
+setuptools~=40.8.0
+six~=1.12.0
+urllib3~=1.24.1
+watchdog~=0.9.0
+wheel~=0.33.1
 
-twine==1.13.0
+twine~=1.13.0