Update app.py

app.py

@@ -24,6 +24,10 @@ def get_rxcui(drug_name: str) -> str:
 @tool
 def check_drug_interaction(drug_1: str, drug_2: str) -> str:
     """Checks for potential interactions between two medications using the NLM Interaction API."""
+    Args:
+        drug_1: The name of the first drug.
+        drug_2: The name of the second drug.
+
     rxcui_1 = get_rxcui(drug_1)
     rxcui_2 = get_rxcui(drug_2)