Replace VERSION file with version.py for version metadata in docs

Author: iamdhakrey

docs/source/conf.py

@@ -12,8 +12,8 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
-import sys
 import os
+import sys
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -57,8 +57,9 @@
 # built documents.
 #
 # The short X.Y version.
-with open(os.path.join('../../jwcrypto', 'VERSION')) as verfile:
-    version = verfile.read().strip()
+with open(os.path.join('../../jwcrypto', 'version.py')) as verfile:
+    version_string = verfile.read().strip()
+    version = version_string.strip("=")[-1].strip()
 # The full version, including alpha/beta/rc tags.
 release = version