Update app.py

app.py

@@ -1,4 +1,4 @@
-from fastapi import FastAPI, File, UploadFile, Form
+'''from fastapi import FastAPI, File, UploadFile, Form
 import pandas as pd
 import matplotlib.pyplot as plt
 import io
@@ -75,4 +75,11 @@ async def visualize(
 
 
 
-    return StreamingResponse(img_stream, media_type="image/png")
+    return StreamingResponse(img_stream, media_type="image/png")'''
+from fastapi import FastAPI
+
+app = FastAPI()
+
+@app.get("/")
+def greet_json():
+    return {"Hello": "World!"}