Fix Python3.7 compatibility issue

passing "async" argument can make invalid argument error on python 3.7

diff --git a/tweepy/streaming.py b/tweepy/streaming.py
index 43aa82340be425279e8c5339cb35173d8b089f2f..d6f0f80b11f8c804ce9f4c873a24a78d285864c2 100644 (file)
--- a/tweepy/streaming.py
+++ b/tweepy/streaming.py
@@ -355,9 +355,9 @@ class Stream(object):
         if resp.raw.closed:
             self.on_closed(resp)
 
-    def _start(self, async):
+    def _start(self, is_async):
         self.running = True
-        if async:
+        if is_async:
             self._thread = Thread(target=self._run)
             self._thread.start()
         else:
@@ -373,7 +373,7 @@ class Stream(object):
                    replies=None,
                    track=None,
                    locations=None,
-                   async=False,
+                   is_async=False,
                    encoding='utf8'):
         self.session.params = {'delimited': 'length'}
         if self.running:
@@ -394,25 +394,25 @@ class Stream(object):
         if track:
             self.session.params['track'] = u','.join(track).encode(encoding)
 
-        self._start(async)
+        self._start(is_async)
 
-    def firehose(self, count=None, async=False):
+    def firehose(self, count=None, is_async=False):
         self.session.params = {'delimited': 'length'}
         if self.running:
             raise TweepError('Stream object already connected!')
         self.url = '/%s/statuses/firehose.json' % STREAM_VERSION
         if count:
             self.url += '&count=%s' % count
-        self._start(async)
+        self._start(is_async)
 
-    def retweet(self, async=False):
+    def retweet(self, is_async=False):
         self.session.params = {'delimited': 'length'}
         if self.running:
             raise TweepError('Stream object already connected!')
         self.url = '/%s/statuses/retweet.json' % STREAM_VERSION
-        self._start(async)
+        self._start(is_async)
 
-    def sample(self, async=False, languages=None, stall_warnings=False):
+    def sample(self, is_async=False, languages=None, stall_warnings=False):
         self.session.params = {'delimited': 'length'}
         if self.running:
             raise TweepError('Stream object already connected!')
@@ -421,9 +421,9 @@ class Stream(object):
             self.session.params['language'] = ','.join(map(str, languages))
         if stall_warnings:
             self.session.params['stall_warnings'] = 'true'
-        self._start(async)
+        self._start(is_async)
 
-    def filter(self, follow=None, track=None, async=False, locations=None,
+    def filter(self, follow=None, track=None, is_async=False, locations=None,
                stall_warnings=False, languages=None, encoding='utf8', filter_level=None):
         self.body = {}
         self.session.headers['Content-type'] = "application/x-www-form-urlencoded"
@@ -447,10 +447,10 @@ class Stream(object):
             self.body['filter_level'] = filter_level.encode(encoding)
         self.session.params = {'delimited': 'length'}
         self.host = 'stream.twitter.com'
-        self._start(async)
+        self._start(is_async)
 
     def sitestream(self, follow, stall_warnings=False,
-                   with_='user', replies=False, async=False):
+                   with_='user', replies=False, is_async=False):
         self.body = {}
         if self.running:
             raise TweepError('Stream object already connected!')
@@ -463,7 +463,7 @@ class Stream(object):
             self.body['with'] = with_
         if replies:
             self.body['replies'] = replies
-        self._start(async)
+        self._start(is_async)
 
     def disconnect(self):
         if self.running is False: