Pylyzer-specific errors

E0001: Reassignment of a function referenced by other functions

def g(): return f()

def f(): return 1
def f(): return "a" # E0001: Reassignment of a function referenced by other functions

print(g())

E0002: __init__ doesn't have a first parameter named self

class C:
    def __init__(a): pass # E0002

E0003: __init__ as a member variable

class C:
    __init__ = 1 # E0003