TR updates, first round

Author: lpozo

pydantic-ai/cats.py

@@ -3,7 +3,7 @@
 
 agent = Agent(
     "google-gla:gemini-2.5-flash",
-    system_prompt="Help users with cat breeds. Be concise.",
+    instructions="Help users with cat breeds. Be concise.",
 )
 
 

pydantic-ai/city.py

@@ -13,8 +13,6 @@ class CityInfo(BaseModel):
 
 result = agent.run_sync("Tell me about Tokyo")
 print(result.output)
-
-
 print(f"{result.output.name}, {result.output.country}")
 print(f"Population: {result.output.population:,}")
 print(f"Fun fact: {result.output.fun_fact}")

pydantic-ai/first_agent.py

@@ -2,7 +2,7 @@
 
 agent = Agent(
     "google-gla:gemini-2.5-flash",
-    system_prompt="You're a Python Expert. Reply in one sentence.",
+    instructions="You're a Python Expert. Reply in one sentence.",
 )
 
 result = agent.run_sync("What is Pydantic AI?")

pydantic-ai/users.py

@@ -24,7 +24,7 @@ class UserSummary(BaseModel):
     "google-gla:gemini-2.5-flash",
     output_type=UserSummary,
     deps_type=UserDatabase,
-    system_prompt=(
+    instructions=(
         "You retrieve user information from an external database. "
         "Use the available tools to gather user info, "
         "then return a structured summary."