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4 changes: 2 additions & 2 deletions add.py
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
def add(x: int, y: int) -> int:
"""Returns the sum of two integers."""
#if not isinstance(x, int) or not isinstance(y,int):
# raise TypeError("Both arguments musst be integers")
if not isinstance(x, int) or not isinstance(y,int):
raise TypeError("Both arguments musst be integers")
return x + y