fixed typo

app.py

@@ -11,15 +11,15 @@ def circle_chart():
         x='a', y='b', size='c', color='c', tooltip=['a', 'b', 'c']
     )
 
-def get_response(promt: str, *kargs):
+def get_response(prompt: str, *kargs):
     on_render = st.write
-    response = f"Here's what you asked: '{promt}'"
+    response = f"Here's what you asked: '{prompt}'"
 
-    promt_lower = promt.lower()
-    if promt_lower == 'line chart':
+    prompt_lower = prompt.lower()
+    if prompt_lower == 'line chart':
         on_render = st.line_chart
         response = np.random.randn(30, 30)
-    elif promt_lower == 'mark circle':
+    elif prompt_lower == 'mark circle':
         on_render = st.write
         response = circle_chart()