Revert back to using lambda assignment

Author: tekktrik

adafruit_azureiot/hmac.py

@@ -14,7 +14,7 @@
 
 """
 
-# pylint: disable=C0103, W0108, R0915, C0116, C0115
+# pylint: disable=C0103, W0108, R0915, C0116, C0115, unnecessary-lambda-assignment
 
 try:
     from typing import Union
@@ -65,40 +65,17 @@ def sha_init() -> dict:
     return sha_info
 
 
-def ROR(x, y):
-    return (((x & 0xFFFFFFFF) >> (y & 31)) | (x << (32 - (y & 31)))) & 0xFFFFFFFF
-
-
-def Ch(x, y, z):
-    return z ^ (x & (y ^ z))
-
-
-def Maj(x, y, z):
-    return ((x | y) & z) | (x & y)
-
-
-def S(x, n):
-    return ROR(x, n)
-
-
-def R(x, n):
-    return (x & 0xFFFFFFFF) >> n
-
-
-def Sigma0(x):
-    return S(x, 2) ^ S(x, 13) ^ S(x, 22)
-
-
-def Sigma1(x):
-    return S(x, 6) ^ S(x, 11) ^ S(x, 25)
-
-
-def Gamma0(x):
-    return S(x, 7) ^ S(x, 18) ^ R(x, 3)
-
-
-def Gamma1(x):
-    return S(x, 17) ^ S(x, 19) ^ R(x, 10)
+ROR = (
+    lambda x, y: (((x & 0xFFFFFFFF) >> (y & 31)) | (x << (32 - (y & 31)))) & 0xFFFFFFFF
+)
+Ch = lambda x, y, z: (z ^ (x & (y ^ z)))
+Maj = lambda x, y, z: (((x | y) & z) | (x & y))
+S = lambda x, n: ROR(x, n)
+R = lambda x, n: (x & 0xFFFFFFFF) >> n
+Sigma0 = lambda x: (S(x, 2) ^ S(x, 13) ^ S(x, 22))
+Sigma1 = lambda x: (S(x, 6) ^ S(x, 11) ^ S(x, 25))
+Gamma0 = lambda x: (S(x, 7) ^ S(x, 18) ^ R(x, 3))
+Gamma1 = lambda x: (S(x, 17) ^ S(x, 19) ^ R(x, 10))
 
 
 def sha_transform(sha_info: dict) -> None: