Maybe fix env?

src/app.py

@@ -43,22 +43,16 @@ def search_location(location_name) -> Optional[dict[str, float]]:
 
     headers = {"accept": "application/json"}
 
-    pk_key=""
-    with open("/run/secrets/pk_key") as f:
-        pk_key = f.read()
-
-    if pk_key == "":
-        st.write("Secret_key is empty")
-
     params = {
-        "key": os.getenv("PK_KEY"),
+        "key": os.environ.get("pk_key"),
         "q": location_name,
         "format": "json"
     }
 
     response = requests.get(url, params=params, headers=headers)
 
-    print(response)
+    st.write("DEBUG:")
+    st.write(str(response))
 
     response_json = response.json()
     #st.write(response)