Fix container.stats infinite blocking on stream mode (#3120)

fix: api - container.stats infinite blocking on stream mode

Includes additional test for no streaming

Signed-off-by: Bharath Vignesh J K <52282402+RazCrimson@users.noreply.github.com>

docker/api/container.py

@@ -1164,8 +1164,9 @@ def stats(self, container, decode=None, stream=True, one_shot=None):
                     'one_shot is only available in conjunction with '
                     'stream=False'
                 )
-            return self._stream_helper(self._get(url, params=params),
-                                       decode=decode)
+            return self._stream_helper(
+                self._get(url, stream=True, params=params), decode=decode
+            )
         else:
             if decode:
                 raise errors.InvalidArgument(

tests/unit/api_container_test.py

@@ -1528,10 +1528,21 @@ def test_container_stats(self):
         fake_request.assert_called_with(
             'GET',
             url_prefix + 'containers/' + fake_api.FAKE_CONTAINER_ID + '/stats',
+            stream=True,
             timeout=60,
             params={'stream': True}
         )
 
+    def test_container_stats_without_streaming(self):
+        self.client.stats(fake_api.FAKE_CONTAINER_ID, stream=False)
+
+        fake_request.assert_called_with(
+            'GET',
+            url_prefix + 'containers/' + fake_api.FAKE_CONTAINER_ID + '/stats',
+            timeout=60,
+            params={'stream': False}
+        )
+
     def test_container_stats_with_one_shot(self):
         self.client.stats(
             fake_api.FAKE_CONTAINER_ID, stream=False, one_shot=True)