Many code-style improvements

telethon/crypto/aes.py

@@ -6,8 +6,8 @@ class AES:
     @staticmethod
     def decrypt_ige(cipher_text, key, iv):
         """Decrypts the given text in 16-bytes blocks by using the given key and 32-bytes initialization vector"""
-        iv1 = iv[:len(iv)//2]
-        iv2 = iv[len(iv)//2:]
+        iv1 = iv[:len(iv) // 2]
+        iv2 = iv[len(iv) // 2:]
 
         aes = pyaes.AES(key)
 
@@ -17,7 +17,8 @@ class AES:
         cipher_text_block = [0] * 16
         for block_index in range(blocks_count):
             for i in range(16):
-                cipher_text_block[i] = cipher_text[block_index * 16 + i] ^ iv2[i]
+                cipher_text_block[i] = cipher_text[block_index * 16 + i] ^ iv2[
+                    i]
 
             plain_text_block = aes.decrypt(cipher_text_block)
 
@@ -40,8 +41,8 @@ class AES:
             padding_count = 16 - len(plain_text) % 16
             plain_text += os.urandom(padding_count)
 
-        iv1 = iv[:len(iv)//2]
-        iv2 = iv[len(iv)//2:]
+        iv1 = iv[:len(iv) // 2]
+        iv2 = iv[len(iv) // 2:]
 
         aes = pyaes.AES(key)
 
@@ -49,7 +50,8 @@ class AES:
         blocks_count = len(plain_text) // 16
 
         for block_index in range(blocks_count):
-            plain_text_block = list(plain_text[block_index * 16:block_index * 16 + 16])
+            plain_text_block = list(plain_text[block_index * 16:block_index *
+                                               16 + 16])
             for i in range(16):
                 plain_text_block[i] ^= iv1[i]