Fix python_version operators in PyPI dependency marker parsing

Signed-off-by: Pradeepbeleri <pradpie@gmail.com>

Author: Pradeepbeleri

AUTHORS.rst

@@ -108,3 +108,4 @@ The following organizations or individuals have contributed to ScanCode:
 - Yash Sharma @yasharmaster
 - Yunus Rahbar @yns88
 - Stefano Zacchiroli @zacchiro
+-Pradeep Beleri @Pradeepbeleri

CHANGELOG.rst

@@ -3,6 +3,7 @@ Changelog
 
 Next release
 --------------
+ - Fix python_version operator list in PyPI dependency marker parsing to include ``>``, ``!=``, and ``~=``.
 
 - Fix the optional ``licenses`` extra dependency typo to install
   ``licensedcode-data``.

src/packagedcode/pypi.py

@@ -2278,7 +2278,7 @@ def get_python_version_os(marker):
     requirement Marker or None.
     """
     platform_data = {}
-    python_version_operators = ['<', '>=', '==', '<=', '<']
+    python_version_operators = ['<', '>', '>=', '==', '<=', '!=', '~=']
 
     if not marker or not isinstance(marker, markers.Marker):
         return platform_data