diff --git a/d1/mlb_player_v5.py b/d1/mlb_player_v5.py
index ee60f78..bae8f27 100644
--- a/d1/mlb_player_v5.py
+++ b/d1/mlb_player_v5.py
@@ -1,20 +1,19 @@
 import os
 
-t1 = r'''
-rm -fr /kaggle/working/AlphaPose
-pip install pyyaml==5.2
-pip install scipy==1.1.0
-git clone https://github.com/WildflowerSchools/AlphaPose
-python -m pip install cython gdown
-apt-get install libyaml-dev
-cd /kaggle/working/AlphaPose && python setup.py build develop
-mkdir -p /kaggle/working/test-input && mkdir -p /kaggle/working/test-output && cp examples/demo/*.jpg /kaggle/working/test-input
-cd /kaggle/working/AlphaPose && python3 scripts/demo_inference.py --cfg configs/coco/resnet/256x192_res50_lr1e-3_1x.yaml --checkpoint pretrained_models/fast_res50_256x192.pth --indir /kaggle/working/test-input --save_img
-'''
+if os.system(r''' pip show alphapose''') != 0:
+	t1 = r'''
+	rm -fr /kaggle/working/AlphaPose
+	pip install pyyaml==5.2
+	pip install scipy==1.1.0
+	git clone https://github.com/WildflowerSchools/AlphaPose
+	python -m pip install cython gdown
+	apt-get install libyaml-dev
+	cd /kaggle/working/AlphaPose && python setup.py build develop
+	'''
 
-for o in t1.splitlines():
-	print(o)
-	assert os.system(o) == 0
+	for o in t1.splitlines():
+		print(o)
+		assert os.system(o) == 0
 
 import os
 #!git clone https://github.com/MVIG-SJTU/AlphaPose.git
@@ -47,3 +46,9 @@ for o1, o2 in [
         o2,
         quiet=False
     )
+
+
+assert os.system(r'''
+mkdir -p /kaggle/working/test-input && mkdir -p /kaggle/working/test-output && cp /kaggle/working/AlphaPose/examples/demo/*.jpg /kaggle/working/test-input
+cd /kaggle/working/AlphaPose && python3 scripts/demo_inference.py --cfg configs/coco/resnet/256x192_res50_lr1e-3_1x.yaml --checkpoint pretrained_models/fast_res50_256x192.pth --indir /kaggle/working/test-input --save_img
+''') == 0