Update tasks.py

tasks.py

@@ -15,8 +15,8 @@ def get_research_task(model):
 def get_blog_task(model):
     return Task(
         description=(
-            "Use the context to write a {length}-word blog post on topic {topic}."
+            "Use the context to write a {word_count}-word blog post on topic {topic}."
         ),
-        expected_output="A {length}-word blog post on topic {topic}.",
+        expected_output="A {word_count}-word blog post on topic {topic}.",
         agent=get_blogger_agent(model),
     )