Fixing env in subprocess ?

app.py

@@ -10,11 +10,14 @@ subprocess.run(
     shell=True,
 )
 print("Got rustup")
-sys.path.append(os.path.expanduser("~/.cargo/bin"))
-subprocess.run("rustc --version", shell=True)
+my_env = os.environ.copy()
+my_env["PATH"] = os.path.expanduser("~/.cargo/bin:") + my_env["PATH"]
+print("RUSTC", os.path.isfile(os.path.expanduser("~/.cargo/bin/rustc")))
+subprocess.run("rustc --version", shell=True, env=myenv)
 subprocess.run(
     "pip install -e git+https://github.com/huggingface/tokenizers/#egg=tokenizers\&subdirectory=bindings/python",
     shell=True,
+    env=myenv,
 )
 
 import tokenizers