Increase the usage of augmented assignment statements

[elfring]

:eyes: Some source code analysis tools can help to find opportunities for improving software components. :thought_balloon: I propose to increase the usage of augmented assignment statements accordingly.

diff --git a/asyncua/crypto/security_policies.py b/asyncua/crypto/security_policies.py
index 4fbf195..44309cc 100644
--- a/asyncua/crypto/security_policies.py
+++ b/asyncua/crypto/security_policies.py
@@ -159,7 +159,7 @@ class Cryptography(CryptographyNone):
             rem = block_size - rem
         data = bytes(bytearray([rem % 256])) * (rem + 1)
         if self.Encryptor.encrypted_block_size() > 256:
-            data = data + bytes(bytearray([rem >> 8]))
+            data += bytes(bytearray([rem >> 8]))
         return data

     def min_padding_size(self):
@@ -599,7 +599,7 @@ class SecurityPolicyBasic256(SecurityPolicy):
             self.symmetric_cryptography.prev_key_expiration = self.symmetric_cryptography.key_expiration

         # convert lifetime to seconds and add the 25% extra-margin (Part4/5.5.2)
-        lifetime = lifetime * 1.25 * 0.001
+        lifetime *= 1.25 * 0.001
         self.symmetric_cryptography.key_expiration = time.time() + lifetime
         self.symmetric_cryptography.Verifier = VerifierAesCbc(sigkey)
         self.symmetric_cryptography.Decryptor = DecryptorAesCbc(key, init_vec)
diff --git a/asyncua/ua/uatypes.py b/asyncua/ua/uatypes.py
index 9897650..b9ce4b8 100644
--- a/asyncua/ua/uatypes.py
+++ b/asyncua/ua/uatypes.py
@@ -242,7 +242,7 @@ class _MaskEnum(IntEnum):
         while n:
             if n & 0x1:
                 yield pos
-            n = n // 2
+            n //= 2
             pos += 1

[oroulet]

you are welcome. Make a PR

[elfring]

:thought_balloon: How does the issue status indication “not planned” fit to my pull request for which a commit was merged on 2021-11-1?

[schroeder-]

I did't find the pull request thats why i closed i unplaned