fix verify environment to work with prereleases

Author: bckohan

tests/verify_environment.py

@@ -1,6 +1,6 @@
 import os
 import sys
-from django import VERSION
+import django
 
 
 def test():
@@ -16,8 +16,11 @@ def test():
         f"{expected_python}"
     )
 
-    expected_django = tuple(int(v) for v in expected_django.split(".") if v)
-    assert VERSION[: len(expected_django)] == expected_django, (
-        f"Django Version Mismatch: {VERSION[: len(expected_django)]} != "
-        f"{expected_django}"
-    )
+    try:
+        expected_django = tuple(int(v) for v in expected_django.split(".") if v)
+        assert django.VERSION[: len(expected_django)] == expected_django, (
+            f"Django Version Mismatch: {django.VERSION[: len(expected_django)]} != "
+            f"{expected_django}"
+        )
+    except ValueError:
+        assert expected_django == django.__version__