안녕하세요. aws에서 며칠째 헤매고 있습니다..ㅠㅠ
flask db upgrade 명령으로 데이테베이스 초기화를 실행하려 했는데요.
다음과 같은 에러가 나옵니다..

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To see these additional updates run: apt list --upgradable
  File "<string>", line 3, in drop_table
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/alembic/operations/ops.py", line 1166, in drop_t
able
    operations.invoke(op)
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/alembic/operations/base.py", line 354, in invoke
    return fn(self, operation)
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/alembic/operations/toimpl.py", line 72, in drop_
table
    operations.impl.drop_table(
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/alembic/ddl/impl.py", line 297, in drop_table
    self._exec(schema.DropTable(table))
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/alembic/ddl/impl.py", line 146, in _exec
    return conn.execute(construct, multiparams)
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1011, in execut
e
    return meth(self, multiparams, params)
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/sqlalchemy/sql/ddl.py", line 72, in _execute_on_
connection
    return connection._execute_ddl(self, multiparams, params)
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1068, in _execu
te_ddl
    ret = self._execute_context(
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1316, in _execu
te_context
    self._handle_dbapi_exception(
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1510, in _handl
e_dbapi_exception
    util.raise_(
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/sqlalchemy/util/compat.py", line 182, in raise_
    raise exception
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1276, in _execu
te_context
    self.dialect.do_execute(
  File "/home/ubuntu/venvs/myproject/lib/python3.8/site-packages/sqlalchemy/engine/default.py", line 608, in do_e
xecute
    cursor.execute(statement, parameters)
sqlalchemy.exc.OperationalError: (sqlite3.OperationalError) no such table: _alembic_tmp_question
[SQL: 
DROP TABLE _alembic_tmp_question]
(Background on this error at: http://sqlalche.me/e/13/e3q8)

_alembic_tmp_question 테이블이 없다는 걸까요? drop하라는 걸까요?
ㅠㅠ