def runSql(sql, name=None):
    cs.execute(sql)
with Flow('run') as flow:
    runSql("USE ROLE SYSADMIN")
flow.register(project_name="test")

c:\python38\lib\site-packages\prefect\core\flow.py in register(self, project_name, build, labels, set_schedule_active, version_group_id, no_url, **kwargs)
   1586         client = prefect.Client()
   1587
-> 1588         registered_flow = client.register(
   1589             flow=self,
   1590             build=build,

c:\python38\lib\site-packages\prefect\client\client.py in register(self, flow, project_name, build, set_schedule_active, version_group_id, compressed, no_url)
    732             )
    733
--> 734         serialized_flow = flow.serialize(build=build)  # type: Any
    735
    736         # Set Docker storage image in environment metadata if provided

c:\python38\lib\site-packages\prefect\core\flow.py in serialize(self, build)
   1429                 raise ValueError("This flow has no storage to build")
   1430             if self.name not in self.storage:
-> 1431                 self.storage.add_flow(self)
   1432             else:
   1433                 warnings.warn(

c:\python38\lib\site-packages\prefect\environments\storage\local.py in add_flow(self, flow)
    131                     self.directory, "{}.prefect".format(slugify(flow.name))
    132                 )
--> 133             flow_location = flow.save(flow_location)
    134
    135         self.flows[flow.name] = flow_location

c:\python38\lib\site-packages\prefect\core\flow.py in save(self, fpath)
   1498             fpath.parent.mkdir(exist_ok=True, parents=True)
   1499         with open(str(fpath), "wb") as f:
-> 1500             cloudpickle.dump(self, f)
   1501
   1502         return str(fpath)

c:\python38\lib\site-packages\cloudpickle\cloudpickle_fast.py in dump(obj, file, protocol, buffer_callback)
     53         compatibility with older versions of Python.
     54         """
---> 55         CloudPickler(
     56             file, protocol=protocol, buffer_callback=buffer_callback
     57         ).dump(obj)

c:\python38\lib\site-packages\cloudpickle\cloudpickle_fast.py in dump(self, obj)
    561     def dump(self, obj):
    562         try:
--> 563             return Pickler.dump(self, obj)
    564         except RuntimeError as e:
    565             if "recursion" in e.args[0]:

TypeError: cannot pickle '_thread.lock' object