Update Python dependencies

Author: mdmintz

requirements.txt

@@ -1,9 +1,10 @@
-pip>=20.1
+pip>=20.1.1
+packaging>=20.4
 setuptools>=44.1.0;python_version<"3.5"
 setuptools>=46.4.0;python_version>="3.5"
 setuptools-scm>=3.5.0
 wheel>=0.34.2
-six==1.14.0
+six==1.15.0
 nose==1.3.7
 ipdb==0.13.2
 idna==2.9
@@ -15,7 +16,7 @@ pluggy==0.13.1
 attrs>=19.3.0
 pytest==4.6.10;python_version<"3.5"
 pytest==5.4.2;python_version>="3.5"
-pytest-cov==2.8.1
+pytest-cov==2.9.0
 pytest-forked==1.1.3
 pytest-html==1.22.1;python_version<"3.6"
 pytest-html==2.0.1;python_version>="3.6"
@@ -33,9 +34,8 @@ cryptography==2.9.2
 pyopenssl==19.1.0
 pygments==2.5.2;python_version<"3.5"
 pygments==2.6.1;python_version>="3.5"
-packaging>=20.3
 colorama==0.4.3
-brython==3.8.8
+brython>=3.8.9
 pymysql==0.9.3
 coverage==5.1
 pyotp==2.3.0

setup.py

@@ -90,7 +90,8 @@
         "Topic :: Utilities",
     ],
     install_requires=[
-        'pip>=20.1',
+        'pip>=20.1.1',
+        'packaging>=20.4',
         'setuptools',
         'setuptools-scm',
         'wheel',
@@ -106,7 +107,7 @@
         'attrs>=19.3.0',
         'pytest==4.6.10;python_version<"3.5"',
         'pytest==5.4.2;python_version>="3.5"',
-        'pytest-cov==2.8.1',
+        'pytest-cov==2.9.0',
         'pytest-forked==1.1.3',
         'pytest-html==1.22.1;python_version<"3.6"',
         'pytest-html==2.0.1;python_version>="3.6"',
@@ -124,9 +125,8 @@
         'pyopenssl==19.1.0',
         'pygments==2.5.2;python_version<"3.5"',
         'pygments==2.6.1;python_version>="3.5"',
-        'packaging>=20.3',
         'colorama==0.4.3',
-        'brython==3.8.8',
+        'brython>=3.8.9',
         'pymysql==0.9.3',
         'coverage==5.1',
         'pyotp==2.3.0',