.

Author: alexander-alderman-webb

sentry_sdk/utils.py

@@ -1756,9 +1756,14 @@ def _generate_installed_modules():
 
 
 def _normalize_module_name(name):
+    # type: (str) -> str
+    return name.lower()
+
+
+def _replace_hyphens_dots_and_underscores_with_dashes(name):
     # type: (str) -> str
     # https://peps.python.org/pep-0503/#normalized-names
-    return re.sub(r"[-_.]+", "-", name).lower()
+    return re.sub(r"[-_.]+", "-", name)
 
 
 def _get_installed_modules():
@@ -1771,9 +1776,14 @@ def _get_installed_modules():
 
 def package_version(package):
     # type: (str) -> Optional[Tuple[int, ...]]
-    normalized_package = _normalize_module_name(package)
+    normalized_package = _normalize_module_name(
+        _replace_hyphens_dots_and_underscores_with_dashes(package)
+    )
 
-    installed_packages = _get_installed_modules()
+    installed_packages = [
+        _replace_hyphens_dots_and_underscores_with_dashes(module)
+        for module in _get_installed_modules()
+    ]
     version = installed_packages.get(normalized_package)
     if version is None:
         return None