diff --git a/records_mover/db/redshift/records_copy.py b/records_mover/db/redshift/records_copy.py
index 575a0fc1d..a95baf66a 100644
--- a/records_mover/db/redshift/records_copy.py
+++ b/records_mover/db/redshift/records_copy.py
@@ -13,7 +13,7 @@
 
 class RedshiftCopyParamaters:
     def __init__(self,
-                 records_format: BaseRecordsFormat,
+                 records_format: DelimitedRecordsFormat,
                  fail_if_cant_handle_hint: bool,
                  unhandled_hints: Set[str]):
         self.redshift_options: RedshiftCopyOptions = {}
@@ -32,10 +32,10 @@ def process_compression(redshift_options: RedshiftCopyOptions,
         'BZIP': Compression.bzip2,
         None: None
     }
-
-    compression = compression_map.get(hints.compression)
-    if compression is None and hints.compression is not None:
-        _assert_never(hints.compression)
+    hints_compression: Optional[str] = hints.compression
+    compression = compression_map.get(hints_compression)
+    if compression is None and hints_compression is not None:
+        _assert_never(hints_compression)
     else:
         redshift_options['compression'] = compression
     quiet_remove(unhandled_hints, 'compression')
@@ -204,7 +204,7 @@ def redshift_copy_options(unhandled_hints: Set[str],
                           fail_if_cant_handle_hint: bool,
                           fail_if_row_invalid: bool,
                           max_failure_rows: Optional[int]) -> RedshiftCopyOptions:
-    redshift_options: RedshiftCopyOptions() = dict()
+    redshift_options: RedshiftCopyOptions = dict()
 
     if isinstance(records_format, AvroRecordsFormat):
         redshift_options['format'] = Format.avro
diff --git a/records_mover/records/targets/fileobj.py b/records_mover/records/targets/fileobj.py
index db59b633b..1aa93ba9d 100644
--- a/records_mover/records/targets/fileobj.py
+++ b/records_mover/records/targets/fileobj.py
@@ -74,8 +74,7 @@ def write_dfs(path_or_buf: Union[str, IO[str]]) -> int:
             move_count = write_dfs(text_fileobj)
             text_fileobj.detach()
         else:
-            with NamedTemporaryFile(prefix='mover_fileobj_target') as output_file:
-                move_count = write_dfs(output_file.name)
+            with NamedTemporaryFile(prefix='mover_fileobj_target') as output_file: # noqa
                 with open(output_file.name, "rb") as output_fileobj:
                     copyfileobj(output_fileobj, self.fileobj)