cli: fixes replace method

 * Closes #2039.

Signed-off-by: Ioannis Tsanaktsidis <[email protected]>

cernopendata/modules/fixtures/cli.py

@@ -105,6 +105,7 @@ def update_record(pid, schema, data):
     """Updates the given record."""
     record = Record.get_record(pid.object_uuid)
     record['$schema'] = schema
+    data.pop('files', None)
     record.update(data)
     record.commit()
     return record