Update pytest version

Author: mdmintz

requirements.txt

@@ -2,7 +2,7 @@ pip
 ipython
 setuptools
 selenium==3.14.1
-pytest>=3.8.2
+pytest>=3.9.1
 pytest-cov>=2.6.0
 pytest-html>=1.19.0
 pytest-rerunfailures>=4.2

setup.py

@@ -54,21 +54,21 @@
         'ipython',
         'setuptools',
         'selenium==3.14.1',
-        'pytest>=3.8.2',
+        'pytest>=3.9.1',
         'pytest-cov>=2.6.0',
         'pytest-html>=1.19.0',
         'pytest-rerunfailures>=4.2',
         'pytest-xdist>=1.23.2',
         'parameterized==0.6.1',
-        'beautifulsoup4>=4.6.0',
+        'beautifulsoup4>=4.6.0',  # Keep at >=4.6.0 while using bs4
         'six>=1.11.0',
         'pyotp>=2.2.6',
         'requests>=2.19.1',
         'unittest2>=1.1.0',
         'chardet>=3.0.4',
         'urllib3>=1.23',
         'boto>=2.49.0',
-        'nose==1.3.7',
+        'nose==1.3.7',  # Keep at ==1.3.7
         'ipdb==0.11',
         'flake8==3.5.0',
         'PyVirtualDisplay==0.2.1',