updates

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

detect.py

@@ -54,6 +54,14 @@ def detect(save_txt=False, save_img=True, stream_img=False):
     else:
         dataloader = LoadImages(opt.source, img_size=img_size, half=opt.half)
 
+    # Attempt stream_img:
+    if stream_img:
+        try:
+            cv2.imshow('', np.zeros((480, 640, 3)))
+            cv2.destroyAllWindows()
+        except:
+            stream_img = False  # Possible SSH connection, do not stream
+
     # Get classes and colors
     classes = load_classes(parse_data_cfg(opt.data)['names'])
     colors = [[random.randint(0, 255) for _ in range(3)] for _ in range(len(classes))]