jpipas commented on issue #23588:
URL: https://github.com/apache/airflow/issues/23588#issuecomment-1121172291

   Getting the same thing - It appears to be an issue with the getTask API 
(there's several javascript errors in console).  Most notably the /tasks 
endpoint for a given dag. 
   
   Python version: 3.9.12
   Airflow version: 2.3.0+astro.3
   
   Traceback (most recent call last):
     File "/usr/local/lib/python3.9/site-packages/flask/app.py", line 2447, in 
wsgi_app
       response = self.full_dispatch_request()
     File "/usr/local/lib/python3.9/site-packages/flask/app.py", line 1952, in 
full_dispatch_request
       rv = self.handle_user_exception(e)
     File "/usr/local/lib/python3.9/site-packages/flask/app.py", line 1821, in 
handle_user_exception
       reraise(exc_type, exc_value, tb)
     File "/usr/local/lib/python3.9/site-packages/flask/_compat.py", line 39, 
in reraise
       raise value
     File "/usr/local/lib/python3.9/site-packages/flask/app.py", line 1950, in 
full_dispatch_request
       rv = self.dispatch_request()
     File "/usr/local/lib/python3.9/site-packages/flask/app.py", line 1936, in 
dispatch_request
       return self.view_functions[rule.endpoint](**req.view_args)
     File 
"/usr/local/lib/python3.9/site-packages/connexion/decorators/decorator.py", 
line 68, in wrapper
       response = function(request)
     File 
"/usr/local/lib/python3.9/site-packages/connexion/decorators/uri_parsing.py", 
line 149, in wrapper
       response = function(request)
     File 
"/usr/local/lib/python3.9/site-packages/connexion/decorators/validation.py", 
line 399, in wrapper
       return function(request)
     File 
"/usr/local/lib/python3.9/site-packages/connexion/decorators/response.py", line 
112, in wrapper
       response = function(request)
     File 
"/usr/local/lib/python3.9/site-packages/connexion/decorators/parameter.py", 
line 116, in wrapper
       return function(**kwargs)
     File 
"/usr/local/lib/python3.9/site-packages/airflow/api_connexion/security.py", 
line 49, in decorated
       return func(*args, **kwargs)
     File 
"/usr/local/lib/python3.9/site-packages/airflow/api_connexion/endpoints/task_endpoint.py",
 line 67, in get_tasks
       return task_collection_schema.dump(task_collection)
     File "/usr/local/lib/python3.9/site-packages/marshmallow/schema.py", line 
552, in dump
       result = self._serialize(processed_obj, many=many)
     File "/usr/local/lib/python3.9/site-packages/marshmallow/schema.py", line 
520, in _serialize
       value = field_obj.serialize(attr_name, obj, accessor=self.get_attribute)
     File "/usr/local/lib/python3.9/site-packages/marshmallow/fields.py", line 
338, in serialize
       return self._serialize(value, attr, obj, **kwargs)
     File "/usr/local/lib/python3.9/site-packages/marshmallow/fields.py", line 
765, in _serialize
       return [self.inner._serialize(each, attr, obj, **kwargs) for each in 
value]
     File "/usr/local/lib/python3.9/site-packages/marshmallow/fields.py", line 
765, in <listcomp>
       return [self.inner._serialize(each, attr, obj, **kwargs) for each in 
value]
     File "/usr/local/lib/python3.9/site-packages/marshmallow/fields.py", line 
634, in _serialize
       return schema.dump(nested_obj, many=many)
     File "/usr/local/lib/python3.9/site-packages/marshmallow/schema.py", line 
552, in dump
       result = self._serialize(processed_obj, many=many)
     File "/usr/local/lib/python3.9/site-packages/marshmallow/schema.py", line 
520, in _serialize
       value = field_obj.serialize(attr_name, obj, accessor=self.get_attribute)
     File "/usr/local/lib/python3.9/site-packages/marshmallow/fields.py", line 
338, in serialize
       return self._serialize(value, attr, obj, **kwargs)
     File "/usr/local/lib/python3.9/site-packages/marshmallow/fields.py", line 
1870, in _serialize
       return self._serialize_method(obj)
     File 
"/usr/local/lib/python3.9/site-packages/airflow/api_connexion/schemas/task_schema.py",
 line 70, in get_params
       return {k: v.dump() for k, v in params.items()}
     File 
"/usr/local/lib/python3.9/site-packages/airflow/api_connexion/schemas/task_schema.py",
 line 70, in <dictcomp>
       return {k: v.dump() for k, v in params.items()}
   AttributeError: 'dict' object has no attribute 'dump'


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