make flake8 happy (#225)

tools/pwd_reader.py

@@ -18,10 +18,12 @@ except:
 from trezorlib.client import TrezorClient
 from trezorlib.transport_hid import HidTransport
 
+
 # Return path by BIP-32
 def getPath(client):
     return client.expand_path("10016'/0")
 
+
 # Deriving master key
 def getMasterKey(client):
     bip32_path = getPath(client)
@@ -36,6 +38,7 @@ def getMasterKey(client):
     ))
     return key
 
+
 # Deriving file name and encryption key
 def getFileEncKey(key):
     filekey, enckey = key[:len(key) // 2], key[len(key) // 2:]
@@ -44,6 +47,7 @@ def getFileEncKey(key):
     filename = digest + '.pswd'
     return [filename, filekey, enckey]
 
+
 # File level decryption and file reading
 def decryptStorage(path, key):
     cipherkey = unhexlify(key)
@@ -64,6 +68,7 @@ def decryptStorage(path, key):
         data = data + decryptor.finalize().decode()
     return json.loads(data)
 
+
 def decryptEntryValue(nonce, val):
     cipherkey = unhexlify(nonce)
     iv = val[:12]
@@ -83,6 +88,7 @@ def decryptEntryValue(nonce, val):
     data = data + decryptor.finalize().decode()
     return json.loads(data)
 
+
 # Decrypt give entry nonce
 def getDecryptedNonce(client, entry):
     print()
@@ -108,6 +114,7 @@ def getDecryptedNonce(client, entry):
     ))
     return decrypted_nonce
 
+
 # Pretty print of list
 def printEntries(entries):
     print('Password entries')
@@ -117,7 +124,8 @@ def printEntries(entries):
         print('Entry id: #%s' % k)
         print('-------------')
         for kk, vv in v.items():
-            if kk in ['nonce', 'safe_note', 'password']: continue # skip these fields
+            if kk in ['nonce', 'safe_note', 'password']:
+                continue  # skip these fields
             print('*', kk, ': ', vv)
         print()
     return
@@ -169,5 +177,6 @@ def main():
 
     return
 
+
 if __name__ == '__main__':
     main()

trezorlib/tests/device_tests/test_msg_signtx_bcash.py

@@ -187,7 +187,6 @@ class TestMsgSigntxBch(TrezorTest):
             else:
                 assert False  # exception expected
 
-
     def test_attack_change_input(self):
         self.setup_mnemonic_allallall()
         self.client.set_tx_api(TxApiBcash)