fix loading

fe/app.py

@@ -11,12 +11,15 @@ datasets = requests.get(f"{BE}/v1/datasets", timeout=500).json()
 st.sidebar.title("Datasets")
 ds = st.sidebar.selectbox(options=[ d["name"] for d in datasets], 
                           label="Select your dataset")
-
-query = st.text_input("Enter your search query")
-print(query)
-
-answer = requests.get(f"http://localhost:8080/v1/datasets/{ds}/answer?query={query}", 
+print(ds)
+if ds:
+    query = st.text_input("Enter your search query",
+                          placeholder="Ask your question")
+    if query:
+        answer = requests.get(f"http://localhost:8080/v1/datasets/{ds}/answer?query={query}", 
                        timeout=5000 )
 
-print(answer.json()["answer"])
-st.write(answer.json()["answer"])
+        print(answer.json()["answer"])
+        st.write(answer.json()["answer"])
+else:
+    st.write("Choose your dataset!")

run.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
-uvicorn "main:app" "--host" "0.0.0.0" "--port" "8080" &
-streamlit run app.py
+python -m uvicorn "main:app" "--host" "0.0.0.0" "--port" "8080" &
+python -m streamlit run app.py