[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

Diff for: maths/fast_inverse_sqrt.py

@@ -23,12 +23,13 @@ def fastInvSqrt(x: float) -> float:
     >>> fastInvSqrt(4)
     0.49915357479239103
     """
-    i = struct.unpack('>i', struct.pack('>f', x))[0]
-    i = 0x5f3759df - (i >> 1)
-    y = struct.unpack('>f', struct.pack('>i', i))[0]
+    i = struct.unpack(">i", struct.pack(">f", x))[0]
+    i = 0x5F3759DF - (i >> 1)
+    y = struct.unpack(">f", struct.pack(">i", i))[0]
     return y * (1.5 - 0.5 * x * y * y)
 
+
 if __name__ == "__main__":
     import doctest
 
-    doctest.testmod(verbose=True)
+    doctest.testmod(verbose=True)