Bring back Python 2.7 and early Python 3 support

Remove the version numbers from setup.py

CHANGES.txt

@@ -1,3 +1,7 @@
+2.0.3
+------
+- Bring back Python 2.7 support (for now)
+
 2.0.2
 ------
 - Fixed keep support for stashing and viewing answers

howdoi/__init__.py

@@ -1 +1 @@
-__version__ = '2.0.2'
+__version__ = '2.0.3'

requirements.txt

@@ -1,2 +1,10 @@
-# requirements found in setup.py
-.
+# when adding a new dependency, also add to setup.py's `install_requires`
+Pygments==2.6.1
+argparse==1.4.0
+cssselect==1.1.0
+lxml==4.5.2
+pyquery==1.4.1
+requests==2.24.0
+cachelib==0.1.1
+appdirs==1.4.4
+keep==2.9

setup.py

@@ -66,14 +66,13 @@ setup(
         ]
     },
     install_requires=[
-        'Pygments>=2.6.1',
-        'argparse>=1.4.0',
-        'cssselect>=1.1.0',
-        'lxml>=4.5.2',
-        'pyquery>=1.4.1',
-        'requests>=2.24.0',
-        'cachelib>=0.1.1',
-        'appdirs>=1.4.4',
-        'keep>=2.9',
+        'Pygments',
+        'cssselect',
+        'lxml',
+        'pyquery',
+        'requests',
+        'cachelib',
+        'appdirs',
+        'keep',
     ] + extra_dependencies(),
 )