Update app.py

app.py

@@ -13,7 +13,7 @@ def install_cuda_toolkit():
 
     os.environ["CUDA_HOME"] = "/usr/local/cuda"
     os.environ["PATH"] = "%s/bin:%s" % (os.environ["CUDA_HOME"], os.environ["PATH"])
-    os.environ["CPATH"] = "%s/include:%s" % (os.environ["CUDA_HOME"], os.environ["CPATH"])
+    os.environ["CPATH"] = "%s/include" % (os.environ["CUDA_HOME"])
     os.environ["LD_LIBRARY_PATH"] = "%s/lib:%s" % (
         os.environ["CUDA_HOME"],
         "" if "LD_LIBRARY_PATH" not in os.environ else os.environ["LD_LIBRARY_PATH"],