Fixed Python flake8 offenses
diff --git a/lib/py/src/transport/THttpClient.py b/lib/py/src/transport/THttpClient.py
index 6281165..7d0b0fb 100644
--- a/lib/py/src/transport/THttpClient.py
+++ b/lib/py/src/transport/THttpClient.py
@@ -102,7 +102,7 @@
         ap = "%s:%s" % (urllib.parse.unquote(proxy.username),
                         urllib.parse.unquote(proxy.password))
         cr = base64.b64encode(ap.encode()).strip()
-        return "Basic " + six.ensure_str(cr)
+        return "Basic " + cr.decode("ascii")
 
     def using_proxy(self):
         return self.realhost is not None
diff --git a/lib/py/src/transport/TSSLSocket.py b/lib/py/src/transport/TSSLSocket.py
index dc6c1fb..896d69c 100644
--- a/lib/py/src/transport/TSSLSocket.py
+++ b/lib/py/src/transport/TSSLSocket.py
@@ -28,7 +28,10 @@
 from thrift.transport import TSocket
 from thrift.transport.TTransport import TTransportException
 
-_match_hostname = lambda cert, hostname: True
+
+def _match_hostname(cert, hostname):
+    return True
+
 
 logger = logging.getLogger(__name__)
 warnings.filterwarnings(
@@ -356,7 +359,7 @@
             # Preserve existing behaviors for default values
             if 'cert_reqs' not in kwargs:
                 kwargs['cert_reqs'] = ssl.CERT_NONE
-            if'certfile' not in kwargs:
+            if 'certfile' not in kwargs:
                 kwargs['certfile'] = 'cert.pem'
 
         unix_socket = kwargs.pop('unix_socket', None)
diff --git a/lib/py/src/transport/sslcompat.py b/lib/py/src/transport/sslcompat.py
index 54235ec..f4425d0 100644
--- a/lib/py/src/transport/sslcompat.py
+++ b/lib/py/src/transport/sslcompat.py
@@ -97,7 +97,8 @@
         # 3.7. OpenSSL performs hostname matching since Python 3.7, Python no
         # longer uses the ssl.match_hostname() function.""
         if sys.version_info[0] > 3 or (sys.version_info[0] == 3 and sys.version_info[1] >= 12):
-            match = lambda cert, hostname: True
+            def match(cert, hostname):
+                return True
         else:
             logger.warning('using legacy validation callback')
             match = legacy_validate_callback