Clear init secret if becoming a slave

bwb/common.py

@@ -171,6 +171,7 @@ class common:
         return self.get_pub()
 
     def handshake(self, text):
+        self.init_secret = '' # clear it
         self.master_pub = X25519PublicKey.from_public_bytes(base58.b58decode(text))
         slave_pub = self.get_pub()
         self.set_otp(slave_pub)

setup.py

@@ -5,7 +5,7 @@ with io.open('README.md', encoding='utf-8') as fh:
     long_description = fh.read()
 
 setuptools.setup(name='bwb',
-    version='2.0.2',
+    version='2.0.3',
     description='bwb',
     long_description=long_description,
     long_description_content_type='text/markdown',