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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def update_models(ctx, f=False):
 """ Updates local django db projects models using salic database from MinC """

    if f:
        manage(ctx, 'create_models_from_sql --force True', env={})
    else:
        manage(ctx, 'create_models_from_sql', env={})