Update app.py

app.py

@@ -54,6 +54,7 @@ def crypto_analysis(crypto_name: str) -> str:
     
     url = f"https://rest.coincap.io/v3/assets/{crypto_name}?apiKey={os.getenv(key='coincap_api')}"
     search_tool = DuckDuckGoSearchTool()
+    output = ""
     try:
         response = requests.get(url)
         response.raise_for_status()  # Raise exception for bad status codes
@@ -62,7 +63,9 @@ def crypto_analysis(crypto_name: str) -> str:
 
         # get search results
         search_query = f"Get the latest analysis trends for the following cryptocurrency: {crypto_info['name']}"
-        search.results = search_tool(search_query)
+        search_results = search_tool(search_query)
+        if search_results:
+            output = search_results
 
         analysis = {
             "crypto_data": {
@@ -74,7 +77,7 @@ def crypto_analysis(crypto_name: str) -> str:
                 "rank": int(crypto_info["rank"])
             },
             "market_sentiment": "positive" if float(crypto_info["changePercent24Hr"]) > 0 else "negative",
-            "related_information": search_results,
+            "related_information": output,
             "data_source": crypto_info["explorer"]
         }