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kkroening · kkroening · commit 1c9695d2a0b0 · 2019-07-05T19:16:43.000-05:00
diff --git a/ffmpeg/tests/test_ffmpeg.py b/ffmpeg/tests/test_ffmpeg.py
@@ -717,20 +717,23 @@ def test__probe__extra_args():
     data = ffmpeg.probe(TEST_INPUT_FILE1, show_frames=None)
     assert set(data.keys()) == {'format', 'streams', 'frames'}
 
+
 def get_filter_complex_input(flt, name):
     m = re.search(r'\[([^]]+)\]{}(?=[[;]|$)'.format(name), flt)
     if m:
         return m.group(1)
     else:
         return None
 
+
 def get_filter_complex_outputs(flt, name):
     m = re.search(r'(^|[];]){}((\[[^]]+\])+)(?=;|$)'.format(name), flt)
     if m:
         return m.group(2)[1:-1].split('][')
     else:
         return None
 
+
 def test__get_filter_complex_input():
     assert get_filter_complex_input("", "scale") is None
     assert get_filter_complex_input("scale", "scale") is None
@@ -739,6 +742,7 @@ def test__get_filter_complex_input():
     assert get_filter_complex_input("[s2]scale;etc", "scale") == "s2"
     assert get_filter_complex_input("[s2]scale[s3][s4];etc", "scale") == "s2"
 
+
 def test__get_filter_complex_outputs():
     assert get_filter_complex_outputs("", "scale") is None
     assert get_filter_complex_outputs("scale", "scale") is None
@@ -750,17 +754,18 @@ def test__get_filter_complex_outputs():
     assert get_filter_complex_outputs("[s5]scale[s1];x", "scale") == ['s1']
     assert get_filter_complex_outputs("y;[s5]scale[s1];x", "scale") == ['s1']
 
+
 def test__multi_output_edge_label_order():
-    scale2ref = ffmpeg.filter_multi_output([ffmpeg.input('x'), ffmpeg.input('y')], 'scale2ref')
-    out = (
-        ffmpeg.merge_outputs(
-            scale2ref[1].filter('scale').output('a'),
-            scale2ref[10000].filter('hflip').output('b')
-        )
+    scale2ref = ffmpeg.filter_multi_output(
+        [ffmpeg.input('x'), ffmpeg.input('y')], 'scale2ref'
+    )
+    out = ffmpeg.merge_outputs(
+        scale2ref[1].filter('scale').output('a'),
+        scale2ref[10000].filter('hflip').output('b'),
     )
 
     args = out.get_args()
-    flt_cmpl = args[args.index('-filter_complex')+1]
+    flt_cmpl = args[args.index('-filter_complex') + 1]
     out1, out2 = get_filter_complex_outputs(flt_cmpl, 'scale2ref')
     assert out1 == get_filter_complex_input(flt_cmpl, 'scale')
     assert out2 == get_filter_complex_input(flt_cmpl, 'hflip')
