Working conda install yay!

environment.yml

@@ -1,12 +1,15 @@
 name: deoldify
 channels:
+- fastai
 - conda-forge
 - defaults
 dependencies:
 - python>=3.7.3
 - fastai=1.0.51
-- ffmpeg=4.11
+- ffmpeg=4.1.1
 - tensorboardX=1.6
 - youtube-dl>=2019.4.17
+- jupyterlab
 - pip:
-  - ffmpeg-python=0.1.17
+  - ffmpeg-python==0.1.17
+  - opencv-python>=3.3.0.10

requirements.txt

@@ -1,4 +1,7 @@
 fastai==1.0.51
 tensorboardX==1.6
+ffmpeg==4.1.1
 ffmpeg-python==0.1.17
 youtube-dl>=2019.4.17
+jupyterlab
+opencv-python>=3.3.0.10