Disable pylint not-an-iterable errors

pylint cannot detect correctly nested generator types, therefore we ignore the
errors. Seems related pylint-dev/pylint#9252

tests/test_container.py

@@ -1187,7 +1187,7 @@ def test_get_objects_stream_closes(temp_dir, generate_random_data):
         obj_md5s.keys(), skip_if_missing=True
     ) as triplets:
         # I loop over the triplets, but I don't do anything
-        for _ in triplets:
+        for _ in triplets:  # pylint: disable=not-an-iterable
             assert len(current_process.open_files()) <= start_open_files + 1
 
     # Check that at the end nothing is left open
@@ -1198,7 +1198,7 @@ def test_get_objects_stream_closes(temp_dir, generate_random_data):
         obj_md5s.keys(), skip_if_missing=True
     ) as triplets:
         # I loop over the triplets, but I don't do anything
-        for _, stream, _ in triplets:
+        for _, stream, _ in triplets:  # pylint: disable=not-an-iterable
             assert len(current_process.open_files()) <= start_open_files + 1
             stream.read()
 
@@ -1223,7 +1223,7 @@ def test_get_objects_stream_closes(temp_dir, generate_random_data):
 
     with temp_container.get_objects_stream_and_meta(obj_md5s.keys()) as triplets:
         # I loop over the triplets, but I don't do anything
-        for _ in triplets:
+        for _ in triplets:  # pylint: disable=not-an-iterable
             assert len(current_process.open_files()) <= start_open_files + 1
 
     # Check that at the end nothing is left open
@@ -1234,7 +1234,7 @@ def test_get_objects_stream_closes(temp_dir, generate_random_data):
         obj_md5s.keys(), skip_if_missing=True
     ) as triplets:
         # I loop over the triplets, but I don't do anything
-        for _, stream, _ in triplets:
+        for _, stream, _ in triplets:  # pylint: disable=not-an-iterable
             assert len(current_process.open_files()) <= start_open_files + 1
             stream.read()
     # Check that at the end nothing is left open
@@ -1263,7 +1263,7 @@ def test_get_objects_stream_closes(temp_dir, generate_random_data):
 
     with temp_container.get_objects_stream_and_meta(obj_md5s.keys()) as triplets:
         # I loop over the triplets, but I don't do anything
-        for _ in triplets:
+        for _ in triplets:  # pylint: disable=not-an-iterable
             assert len(current_process.open_files()) <= start_open_files + 1
 
     # Check that at the end nothing is left open
@@ -1274,7 +1274,7 @@ def test_get_objects_stream_closes(temp_dir, generate_random_data):
         obj_md5s.keys(), skip_if_missing=True
     ) as triplets:
         # I loop over the triplets, but I don't do anything
-        for _, stream, _ in triplets:
+        for _, stream, _ in triplets:  # pylint: disable=not-an-iterable
             assert len(current_process.open_files()) <= start_open_files + 1
             stream.read()
     # Check that at the end nothing is left open