Update app.py

app.py

@@ -32,6 +32,7 @@ try:
 except ImportError:
     print("Installing harp dependencies...")
     sp.check_call(["pip", "install", *harp_deps])
+    sp.check_call(["pip", "install", "git+https://github.com/audacitorch/pyharp.git#egg=pyharp"])
     import pyharp