Hardening suggestions for codemodder-python / sonar-timezone (#803)

Use Assignment Expression (Walrus) In Conditional

Co-authored-by: pixeebot[bot] <104101892+pixeebot[bot]@users.noreply.github.com>

src/core_codemods/timezone_aware_datetime.py

@@ -74,9 +74,8 @@ def leave_Call(self, original_node: cst.Call, updated_node: cst.Call):
         return updated_node
 
     def _determine_module_and_kwarg(self, original_node: cst.Call):
-        maybe_name = self.get_aliased_prefix_name(original_node, self._module_name)
 
-        if maybe_name:
+        if maybe_name := self.get_aliased_prefix_name(original_node, self._module_name):
             # it's a regular import OR alias import
             if maybe_name == self._module_name:
                 module = "datetime.datetime"