fixup! Add TDR parquet export script

Author: nadove-ucsc

src/azul/terra.py

@@ -536,6 +536,7 @@ def _check_response(self,
                         endpoint: furl,
                         response: urllib3.HTTPResponse
                         ) -> MutableJSON:
+        # 202 is observed while waiting for the Parquet export
         if response.status in (200, 202):
             return json.loads(response.data)
         # FIXME: Azul sometimes conflates 401 and 403
@@ -659,10 +660,10 @@ def export_parquet_urls(self,
                             ) -> Optional[dict[str, list[mutable_furl]]]:
         """
         Obtain URLs of Parquet files for the data tables of the specified
-        snapshot. This is an time-consuming operation that usually takes on the
-        order of 1 minute to complete.
+        snapshot. This is a time-consuming operation that usually takes on the
+        order of one minute to complete.
 
-        :param snapshot_id: The UUID of the snapshot.
+        :param snapshot_id: The UUID of the snapshot
 
         :return: A mapping of table names to lists of Parquet file download
                  URLs, or `None` if if no Parquet downloads are available for