def IsDirty(self, unused_python_format):
    return False
removes the string `remove` from the left of `text`
dataset/ETHPy150Open google/grr/grr/lib/rdfvalues/structs.py/ProtoType.IsDirty--crossover with--dataset/ETHPy150Open shuge/Qt-Python-Binding-Examples/resource_compiler/auto_create_qrc.py/lstrips