doc: modified docstrings to comply with PEP257 standards

Author: ahsan-z-khan

src/sagemaker/model_monitor/model_monitoring.py

@@ -1154,9 +1154,7 @@ def _s3_uri_from_local_path(self, path):
         return path
 
     def _wait_for_schedule_changes_to_apply(self):
-        """Waits for the schedule associated with this monitor."""
-
-        """It checks if this monitor to no longer be in the 'Pending' state."""
+        """Waits for the schedule to no longer be in the 'Pending' state."""
         for _ in retries(
             max_retry_count=36,  # 36*5 = 3min
             exception_message_prefix="Waiting for schedule to leave 'Pending' status",

src/sagemaker/tensorflow/model.py

@@ -348,7 +348,7 @@ def prepare_container_def(self, instance_type=None, accelerator_type=None):
         return sagemaker.container_def(image_uri, model_data, env)
 
     def _get_container_env(self):
-
+        """Placeholder docstring."""
         if not self._container_log_level:
             return self.env
 
@@ -361,11 +361,7 @@ def _get_container_env(self):
         return env
 
     def _get_image_uri(self, instance_type, accelerator_type=None):
-        """
-        Args:
-            instance_type:
-            accelerator_type:
-        """
+        """Placeholder docstring."""
         if self.image_uri:
             return self.image_uri