Avoid errors due to OpenCV UI dependencies.

faustomorales · faustomorales · commit f6ea872df463 · 2020-11-14T17:31:27.000-06:00
diff --git a/Pipfile b/Pipfile
@@ -8,7 +8,7 @@ pylint = "==2.3.0"
 pytest = "*"
 yapf = "==0.25.0"
 numpy = "*"
-opencv-python = "*"
+opencv-python-headless = "*"
 
 [requires]
 python_version = "3.7"
