fix failing top level module imports (#2963)

Author: sh-rp

dlt/common/runtime/run_context.py

@@ -81,7 +81,7 @@ def initial_providers(self) -> List[ConfigProvider]:
     def module(self) -> Optional[ModuleType]:
         try:
             return self.import_run_dir_module(self.run_dir)
-        except ImportError:
+        except (ImportError, TypeError):
             return None
 
     @property