/Users/vitermo/python_env/suiyuan/bin/python3.6 /Users/vitermo/django_workspace/suiyuan/manage.py runserver 8000 Performing system checks... Watching for file changes with StatReloader

System check identified no issues (0 silenced). Exception in thread Thread-1: Traceback (most recent call last): File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/threading.py", line 916, in _bootstrap_inner self.run() File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/threading.py", line 864, in run self._target(*self._args, self._kwargs) File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/utils/autoreload.py", line 54, in wrapper fn(*args, kwargs) File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/core/management/commands/runserver.py", line 120, in inner_run self.check_migrations() File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/core/management/base.py", line 453, in check_migrations executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS]) File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/migrations/executor.py", line 18, in init self.loader = MigrationLoader(self.connection) File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/migrations/loader.py", line 49, in init self.build_graph() File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/migrations/loader.py", line 212, in build_graph self.applied_migrations = recorder.applied_migrations() File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/migrations/recorder.py", line 73, in applied_migrations if self.has_table(): File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/migrations/recorder.py", line 56, in has_table return self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor()) File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/backends/base/base.py", line 256, in cursor return self._cursor() File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/backends/base/base.py", line 233, in _cursor self.ensure_connection() File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/backends/base/base.py", line 217, in ensure_connection self.connect() File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/backends/base/base.py", line 197, in connect self.init_connection_state() File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/backends/mysql/base.py", line 231, in init_connection_state if self.features.is_sql_auto_is_null_enabled: File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/utils/functional.py", line 80, in get res = instance.dict[self.name] = self.func(instance) File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/backends/mysql/features.py", line 82, in is_sql_auto_is_null_enabled cursor.execute('SELECT @@SQL_AUTO_IS_NULL') File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/backends/utils.py", line 103, in execute sql = self.db.ops.last_executed_query(self.cursor, sql, params) File "/Users/vitermo/python_env/suiyuan/lib/python3.6/site-packages/django/db/backends/mysql/operations.py", line 146, in last_executed_query query = query.decode(errors='replace') AttributeError: 'str' object has no attribute 'decode'