Update app.py

app.py

@@ -473,7 +473,7 @@ class Application:
         name = self.name(stats.names, params.get("name"))
 
         # Limit player-year comparisons using this window
-        window = self.window(None, "window")
+        window = self.window(params.get("window"), "window")
 
         # Player metrics
         active, best, metrics = stats.metrics(name)
@@ -491,9 +491,11 @@ class Application:
         # Display results
         self.table(results, ["link", "nameFirst", "nameLast", "teamID"] + stats.columns[1:])
 
-        # Save parameters
-        for name, value in [("category", category), ("name", name), ("year", year)]:
-            st.query_params[name] = value
+        # Save query parameters
+        st.query_params.clear()
+        for key, value in [("category", category), ("name", name), ("window", window), ("year", year)]:
+            if value:
+                st.query_params[key] = value
 
     def search(self):
         """
@@ -532,17 +534,16 @@ class Application:
             parameters
         """
 
-        # Get parameters
+        # Get query parameters
         params = {x: st.query_params.get(x) for x in ["category", "name", "window", "year"]}
 
         # Sync parameters with session state
-        if all(x in st.session_state for x in ["category", "name", "window", "year"]):
+        if all(x in st.session_state for x in ["category", "name", "year"]):
             # Copy session year if category and name are unchanged
             params["year"] = str(st.session_state["year"]) if all(params.get(x) == st.session_state[x] for x in ["category", "name"]) else None
 
             # Copy category and name from session state
             params["category"] = st.session_state["category"]
-            params["window"] = st.session_state["window"]
             params["name"] = st.session_state["name"]
 
         return params
@@ -580,6 +581,10 @@ class Application:
             window component
         """
 
+        # Convert to int if necessary
+        window = int(window) if window else window
+
+        # Return window value
         return st.number_input("Limit to last N seasons", value=window, step=1, min_value=1, max_value=100, key=key)
 
     def name(self, names, name):