Installation connecteur MySQL pour Python sous Windows

lib/sqlalchemy\engine\default.py:450: Warning: Incorrect string value: '\x92\xE9
t\xE9)' for column 'VARIABLE_VALUE' at row 484
  cursor.execute(statement, parameters)
lib/sqlalchemy\dialects\mysql\base.py:2513: Warning: '@@tx_isolation' is depreca
ted and will be removed in a future release. Please use '@@transaction_isolation
' instead
  cursor.execute('SELECT @@tx_isolation')
lib/sqlalchemy\engine\default.py:450: Warning: Can't create database 'connecthys
'; database exists
  cursor.execute(statement, parameters)
Traceback (most recent call last):
  File "run.py", line 92, in 
    from application import app
  File "D:\Connecthys\application\__init__.py", line 134, in 
    models.CreationDB()
  File "D:\Connecthys\application\models.py", line 75, in CreationDB
    db.create_all()
  File "lib/flask_sqlalchemy\__init__.py", line 972, in create_all
    self._execute_for_all_tables(app, bind, 'create_all')
  File "lib/flask_sqlalchemy\__init__.py", line 964, in _execute_for_all_tables
    op(bind=self.get_engine(app, bind), **extra)
  File "lib/sqlalchemy\sql\schema.py", line 3695, in create_all
    tables=tables)
  File "lib/sqlalchemy\engine\base.py", line 1856, in _run_visitor
    conn._run_visitor(visitorcallable, element, **kwargs)
  File "lib/sqlalchemy\engine\base.py", line 1481, in _run_visitor
    **kwargs).traverse_single(element)
  File "lib/sqlalchemy\sql\visitors.py", line 121, in traverse_single
    return meth(obj, **kw)
  File "lib/sqlalchemy\sql\ddl.py", line 730, in visit_metadata
    _is_metadata_operation=True)
  File "lib/sqlalchemy\sql\visitors.py", line 121, in traverse_single
    return meth(obj, **kw)
  File "lib/sqlalchemy\sql\ddl.py", line 764, in visit_table
    include_foreign_key_constraints=include_foreign_key_constraints
  File "lib/sqlalchemy\engine\base.py", line 914, in execute
    return meth(self, multiparams, params)
  File "lib/sqlalchemy\sql\ddl.py", line 68, in _execute_on_connection
    return connection._execute_ddl(self, multiparams, params)
  File "lib/sqlalchemy\engine\base.py", line 968, in _execute_ddl
    compiled
  File "lib/sqlalchemy\engine\base.py", line 1146, in _execute_context
    context)
  File "lib/sqlalchemy\engine\base.py", line 1341, in _handle_dbapi_exception
    exc_info
  File "lib/sqlalchemy\util\compat.py", line 202, in raise_from_cause
    reraise(type(exception), exception, tb=exc_tb, cause=cause)
  File "lib/sqlalchemy\engine\base.py", line 1139, in _execute_context
    context)
  File "lib/sqlalchemy\engine\default.py", line 450, in do_execute
    cursor.execute(statement, parameters)
  File "C:\Python27\Lib\site-packages\MySQLdb\cursors.py", line 205, in execute
    self.errorhandler(self, exc, value)
  File "C:\Python27\Lib\site-packages\MySQLdb\connections.py", line 36, in defau
lterrorhandler
    raise errorclass, errorvalue
sqlalchemy.exc.OperationalError: (_mysql_exceptions.OperationalError) (1074, "Co
lumn length too big for column 'ventilation' (max = 65535); use BLOB or TEXT ins
tead") [SQL: u'\nCREATE TABLE co_portail_paiements (\n\t`IDpaiement` INTEGER NOT
 NULL AUTO_INCREMENT, \n\t`factures_ID` VARCHAR(50), \n\t`IDfamille` INTEGER, \n
\t`IDtransaction` VARCHAR(50), \n\trefdet VARCHAR(50), \n\tmontant FLOAT, \n\tob
jet VARCHAR(50), \n\tsaisie VARCHAR(5), \n\tresultrans VARCHAR(5), \n\tnumauto V
ARCHAR(10), \n\tdattrans VARCHAR(15), \n\theurtrans VARCHAR(15), \n\tsysteme_pai
ement VARCHAR(50), \n\tresultat VARCHAR(50), \n\tmessage VARCHAR(450), \n\tventi
lation VARCHAR(100000), \n\thorodatage DATETIME, \n\tPRIMARY KEY (`IDpaiement`)\
n)\n\n']