Update palmapi.py

palmapi.py

@@ -35,16 +35,14 @@ def gen_text(
     parameters=None
 ):
     if parameters is None:
-        model = 'models/text-bison-001'
         temperature = 0.7
-        candidate_count = 1
         top_k = 40
         top_p = 0.95
     
         parameters = {
-            'model': model,
+            'model': 'models/text-bison-001',
+            'candidate_count': 1,
             'temperature': temperature,
-            'candidate_count': candidate_count,
             'top_k': top_k,
             'top_p': top_p,
         }