Error when sending emojis or accents

[edhelas]

An error is thrown when messages including emojis or accents are sent.

2017-07-27 22:18:54,196 INFO     chatterbot.adapters: Recieved input statement: hey 😇
2017-07-27 22:18:54,208 ERROR    ludolph_chatbot.chatterbot: (sqlite3.ProgrammingError) You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_factory = str). It is highly recommended that you instead just switch your application to Unicode strings. [SQL: u'SELECT "StatementTable".id AS "StatementTable_id", "StatementTable".text AS "StatementTable_text", "StatementTable".extra_data AS "StatementTable_extra_data" \nFROM "StatementTable" \nWHERE "StatementTable".text = ?\n LIMIT ? OFFSET ?'] [parameters: ('hey \xf0\x9f\x98\x87', 1, 0)]
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/ludolph_chatbot/chatterbot.py", line 79, in _command_not_found
    res = self.chatbot.get_response(txt)
  File "/usr/local/lib/python2.7/dist-packages/chatterbot/chatterbot.py", line 103, in get_response
    input_statement = self.input.process_input_statement(input_item)
  File "/usr/local/lib/python2.7/dist-packages/chatterbot/input/input_adapter.py", line 24, in process_input_statement
    existing_statement = self.chatbot.storage.find(input_statement.text)
  File "/usr/local/lib/python2.7/dist-packages/chatterbot/storage/sql_storage.py", line 154, in find
    record = query.first()
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 2755, in first
    ret = list(self[0:1])
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 2547, in __getitem__
    return list(res)
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 2855, in __iter__
    return self._execute_and_instances(context)
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 2878, in _execute_and_instances
    result = conn.execute(querycontext.statement, self._params)
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 945, in execute
    return meth(self, multiparams, params)
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/sql/elements.py", line 263, in _execute_on_connection
    return connection._execute_clauseelement(self, multiparams, params)
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1053, in _execute_clauseelement
    compiled_sql, distilled_params
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1189, in _execute_context
    context)
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1402, in _handle_dbapi_exception
    exc_info
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/compat.py", line 203, in raise_from_cause
    reraise(type(exception), exception, tb=exc_tb, cause=cause)
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1182, in _execute_context
    context)
  File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 470, in do_execute
    cursor.execute(statement, parameters)
ProgrammingError: (sqlite3.ProgrammingError) You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_factory = str). It is highly recommended that you instead just switch your application to Unicode strings. [SQL: u'SELECT "StatementTable".id AS "StatementTable_id", "StatementTable".text AS "StatementTable_text", "StatementTable".extra_data AS "StatementTable_extra_data" \nFROM "StatementTable" \nWHERE "StatementTable".text = ?\n LIMIT ? OFFSET ?'] [parameters: ('hey \xf0\x9f\x98\x87', 1, 0)]

[dn0]

Definitely a bug, but cannot reproduce in python 3.6, only in python 2.7.