python/testData/inspections/PyUnusedLocalFunctionInspection/src/test.py

def foo():
    def bar(): pass #fail


def baz(cond):
    def bzz(): pass #pass
    if cond:
        return bzz
    else:
        return None

def bar():
    def bar1():pass #fail
    def bar1():pass #pass
    return bar1

# PY-3866
def foo():
    def bar(): #pass
        pass
    def baz(): #pass
        bar()
    baz()