upgrade dependencies

There's a CVE in requests 2.19: psf/requests#4716

requirements-python2.txt

@@ -1,16 +1,17 @@
 asn1crypto==0.24.0
-atomicwrites==1.1.5
-attrs==18.1.0
+atomicwrites==1.2.1
+attrs==18.2.0
 beautifulsoup4==4.6.3
-certifi==2018.8.13
+certifi==2018.10.15
 cffi==1.11.5
 chardet==3.0.4
 configparser==3.5.0
 contextlib2==0.5.5
 coverage==4.5.1
 cryptography==2.3.1
 enum34==1.1.6
-flake8==3.5.0
+filelock==3.0.9
+flake8==3.6.0
 funcsigs==1.0.2
 html5lib==1.0.1
 idna==2.7
@@ -19,24 +20,25 @@ mccabe==0.6.1
 mock==2.0.0
 more-itertools==4.3.0
 pathlib2==2.3.2
-pbr==4.2.0
-pluggy==0.7.1
-py==1.5.4
-pycodestyle==2.3.1
-pycparser==2.18
-pyfiglet==0.7.5
-pyflakes==1.6.0
+pbr==5.1.0
+pluggy==0.8.0
+py==1.7.0
+pycodestyle==2.4.0
+pycparser==2.19
+pyfiglet==0.7.6
+pyflakes==2.0.0
 pyOpenSSL==18.0.0
-pytest==3.7.2
-pytest-cov==2.5.1
+pytest==3.9.3
+pytest-cov==2.6.0
 PyYAML==3.13
-requests==2.19.1
+requests==2.20.0
 scandir==1.9.0
 six==1.11.0
-tox==3.2.1
-urllib3==1.23
-vcrpy==1.13.0
+toml==0.10.0
+tox==3.5.3
+urllib3==1.24
+vcrpy==2.0.1
 virtualenv==16.0.0
 webencodings==0.5.1
-websocket-client==0.51.0
+websocket-client==0.53.0
 wrapt==1.10.11

requirements.txt

@@ -1,35 +1,37 @@
 asn1crypto==0.24.0
-atomicwrites==1.1.5
-attrs==18.1.0
+atomicwrites==1.2.1
+attrs==18.2.0
 beautifulsoup4==4.6.3
-certifi==2018.8.13
+certifi==2018.10.15
 cffi==1.11.5
 chardet==3.0.4
 coverage==4.5.1
 cryptography==2.3.1
-flake8==3.5.0
+filelock==3.0.9
+flake8==3.6.0
 html5lib==1.0.1
 idna==2.7
 mccabe==0.6.1
 more-itertools==4.3.0
-multidict==4.3.1
-pluggy==0.7.1
-py==1.5.4
-pycodestyle==2.3.1
-pycparser==2.18
-pyfiglet==0.7.5
-pyflakes==1.6.0
+multidict==4.4.2
+pluggy==0.8.0
+py==1.7.0
+pycodestyle==2.4.0
+pycparser==2.19
+pyfiglet==0.7.6
+pyflakes==2.0.0
 pyOpenSSL==18.0.0
-pytest==3.7.2
-pytest-cov==2.5.1
+pytest==3.9.3
+pytest-cov==2.6.0
 PyYAML==3.13
-requests==2.19.1
+requests==2.20.0
 six==1.11.0
-tox==3.2.1
-urllib3==1.23
-vcrpy==1.13.0
+toml==0.10.0
+tox==3.5.3
+urllib3==1.24
+vcrpy==2.0.1
 virtualenv==16.0.0
 webencodings==0.5.1
-websocket-client==0.51.0
+websocket-client==0.53.0
 wrapt==1.10.11
 yarl==1.2.6