python 3.6.6
Superset 0.999.0dev and pip install superset=[0.27.0, 0.28.0, 0.28.1, 0.29.0rc6, 0.29.0rc]
sqlalchemy==1.3.0

ERROR:

(pyweb) [root@li1853-91 incubator-superset]# superset db upgrade

• Tip: There are .env files present. Do "pip install python-dotenv" to use them.
  INFO [alembic.runtime.migration] Context impl SQLiteImpl.
  INFO [alembic.runtime.migration] Will assume transactional DDL.
  INFO [alembic.runtime.migration] Running upgrade bddc498dd179 -> 4451805bbaa1, remove double percents
  Traceback (most recent call last):
  File "/usr/local/pyweb/bin/superset", line 4, in
  import('pkg_resources').run_script('apache-superset==0.999.0.dev0', 'superset')
  File "/usr/local/pyweb/lib64/python3.6/site-packages/pkg_resources/init.py", line 666, in run_script
  self.require(requires)[0].run_script(script_name, ns)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/pkg_resources/init.py", line 1446, in run_script
  exec(code, namespace, namespace)
  File "/usr/local/pyweb/lib/python3.6/site-packages/apache_superset-0.999.0.dev0-py3.6.egg/EGG-INFO/scripts/superset", line 31, in
  cli()
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 722, in call
  return self.main(*args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/flask/cli.py", line 557, in main
  return super(FlaskGroup, self).main(*args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 697, in main
  rv = self.invoke(ctx)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 1066, in invoke
  return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 1066, in invoke
  return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 895, in invoke
  return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 535, in invoke
  return callback(*args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/decorators.py", line 17, in new_func
  return f(get_current_context(), *args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/flask/cli.py", line 412, in decorator
  return __ctx.invoke(f, *args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 535, in invoke
  return callback(*args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/flask_migrate/cli.py", line 134, in upgrade
  _upgrade(directory, revision, sql, tag, x_arg)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/flask_migrate/init.py", line 95, in wrapped
  f(*args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/flask_migrate/init.py", line 280, in upgrade
  command.upgrade(config, revision, sql=sql, tag=tag)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/command.py", line 276, in upgrade
  script.run_env()
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/script/base.py", line 475, in run_env
  util.load_python_file(self.dir, "env.py")
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/util/pyfiles.py", line 90, in load_python_file
  module = load_module_py(module_id, path)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/util/compat.py", line 156, in load_module_py
  spec.loader.exec_module(module)
  File "", line 678, in exec_module
  File "", line 219, in _call_with_frames_removed
  File "/usr/local/pyweb/lib64/python3.6/site-packages/apache_superset-0.999.0.dev0-py3.6.egg/superset/migrations/env.py", line 116, in
  run_migrations_online()
  File "/usr/local/pyweb/lib64/python3.6/site-packages/apache_superset-0.999.0.dev0-py3.6.egg/superset/migrations/env.py", line 109, in run_migrations_online
  context.run_migrations()
  File "", line 8, in run_migrations
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/runtime/environment.py", line 839, in run_migrations
  self.get_context().run_migrations(**kw)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/runtime/migration.py", line 361, in run_migrations
  step.migration_fn(**kw)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/apache_superset-0.999.0.dev0-py3.6.egg/superset/migrations/versions/4451805bbaa1_remove_double_percents.py", line 98, in upgrade
  replace('%%', '%')
  File "/usr/local/pyweb/lib64/python3.6/site-packages/apache_superset-0.999.0.dev0-py3.6.egg/superset/migrations/versions/4451805bbaa1_remove_double_percents.py", line 69, in replace
  .join(Table)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/sqlalchemy/orm/query.py", line 2189, in join
  from_joinpoint=from_joinpoint,
  File "", line 2, in _join
  File "/usr/local/pyweb/lib64/python3.6/site-packages/sqlalchemy/orm/base.py", line 220, in generate
  fn(self, *args[1:], **kw)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/sqlalchemy/orm/query.py", line 2368, in _join
  left, right, onclause, prop, create_aliases, outerjoin, full
  File "/usr/local/pyweb/lib64/python3.6/site-packages/sqlalchemy/orm/query.py", line 2391, in _join_left_to_right
  ) = self._join_determine_implicit_left_side(left, right, onclause)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/sqlalchemy/orm/query.py", line 2522, in _join_determine_implicit_left_side
  "Can't determine which FROM clause to join "
  sqlalchemy.exc.InvalidRequestError: Can't determine which FROM clause to join from, there are multiple FROMS which can join to this entity. Try adding an explicit ON clause to help resolve the ambiguity.
  (pyweb) [root@li1853-91 incubator-superset]# pip install sqlalchemy==1.3.0
  Collecting sqlalchemy==1.3.0
  Using cached https://files.pythonhosted.org/packages/35/9e/5eb467ed50cdd8e88b808a7e65045020fa12b3b9c2ab51de0f452d269d4d/SQLAlchemy-1.3.0.tar.gz
  Installing collected packages: sqlalchemy
  Found existing installation: SQLAlchemy 1.3.0b3
  Uninstalling SQLAlchemy-1.3.0b3:
  Successfully uninstalled SQLAlchemy-1.3.0b3
  Running setup.py install for sqlalchemy ... done
  Successfully installed sqlalchemy-1.3.0
  (pyweb) [root@li1853-91 incubator-superset]# superset db upgrade
• Tip: There are .env files present. Do "pip install python-dotenv" to use them.
  INFO [alembic.runtime.migration] Context impl SQLiteImpl.
  INFO [alembic.runtime.migration] Will assume transactional DDL.
  INFO [alembic.runtime.migration] Running upgrade bddc498dd179 -> 4451805bbaa1, remove double percents
  Traceback (most recent call last):
  File "/usr/local/pyweb/bin/superset", line 4, in
  import('pkg_resources').run_script('apache-superset==0.999.0.dev0', 'superset')
  File "/usr/local/pyweb/lib64/python3.6/site-packages/pkg_resources/init.py", line 666, in run_script
  self.require(requires)[0].run_script(script_name, ns)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/pkg_resources/init.py", line 1446, in run_script
  exec(code, namespace, namespace)
  File "/usr/local/pyweb/lib/python3.6/site-packages/apache_superset-0.999.0.dev0-py3.6.egg/EGG-INFO/scripts/superset", line 31, in
  cli()
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 722, in call
  return self.main(*args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/flask/cli.py", line 557, in main
  return super(FlaskGroup, self).main(*args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 697, in main
  rv = self.invoke(ctx)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 1066, in invoke
  return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 1066, in invoke
  return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 895, in invoke
  return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 535, in invoke
  return callback(*args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/decorators.py", line 17, in new_func
  return f(get_current_context(), *args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/flask/cli.py", line 412, in decorator
  return __ctx.invoke(f, *args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/click/core.py", line 535, in invoke
  return callback(*args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/flask_migrate/cli.py", line 134, in upgrade
  _upgrade(directory, revision, sql, tag, x_arg)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/flask_migrate/init.py", line 95, in wrapped
  f(*args, **kwargs)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/flask_migrate/init.py", line 280, in upgrade
  command.upgrade(config, revision, sql=sql, tag=tag)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/command.py", line 276, in upgrade
  script.run_env()
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/script/base.py", line 475, in run_env
  util.load_python_file(self.dir, "env.py")
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/util/pyfiles.py", line 90, in load_python_file
  module = load_module_py(module_id, path)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/util/compat.py", line 156, in load_module_py
  spec.loader.exec_module(module)
  File "", line 678, in exec_module
  File "", line 219, in _call_with_frames_removed
  File "/usr/local/pyweb/lib64/python3.6/site-packages/apache_superset-0.999.0.dev0-py3.6.egg/superset/migrations/env.py", line 116, in
  run_migrations_online()
  File "/usr/local/pyweb/lib64/python3.6/site-packages/apache_superset-0.999.0.dev0-py3.6.egg/superset/migrations/env.py", line 109, in run_migrations_online
  context.run_migrations()
  File "", line 8, in run_migrations
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/runtime/environment.py", line 839, in run_migrations
  self.get_context().run_migrations(**kw)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/alembic/runtime/migration.py", line 361, in run_migrations
  step.migration_fn(**kw)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/apache_superset-0.999.0.dev0-py3.6.egg/superset/migrations/versions/4451805bbaa1_remove_double_percents.py", line 98, in upgrade
  replace('%%', '%')
  File "/usr/local/pyweb/lib64/python3.6/site-packages/apache_superset-0.999.0.dev0-py3.6.egg/superset/migrations/versions/4451805bbaa1_remove_double_percents.py", line 69, in replace
  .join(Table)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/sqlalchemy/orm/query.py", line 2234, in join
  from_joinpoint=from_joinpoint,
  File "", line 2, in _join
  File "/usr/local/pyweb/lib64/python3.6/site-packages/sqlalchemy/orm/base.py", line 220, in generate
  fn(self, *args[1:], **kw)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/sqlalchemy/orm/query.py", line 2413, in _join
  left, right, onclause, prop, create_aliases, outerjoin, full
  File "/usr/local/pyweb/lib64/python3.6/site-packages/sqlalchemy/orm/query.py", line 2436, in _join_left_to_right
  ) = self._join_determine_implicit_left_side(left, right, onclause)
  File "/usr/local/pyweb/lib64/python3.6/site-packages/sqlalchemy/orm/query.py", line 2567, in _join_determine_implicit_left_side
  "Can't determine which FROM clause to join "
  sqlalchemy.exc.InvalidRequestError: Can't determine which FROM clause to join from, there are multiple FROMS which can join to this entity. Try adding an explicit ON clause to help resolve the ambiguity.