Move imports to try-except block (#1329)

Author: Kludex

pydantic_ai_slim/pydantic_ai/models/anthropic.py

@@ -9,7 +9,6 @@
 from json import JSONDecodeError, loads as json_loads
 from typing import Any, Literal, Union, cast, overload
 
-from anthropic.types import DocumentBlockParam
 from typing_extensions import assert_never
 
 from .. import ModelHTTPError, UnexpectedModelBehavior, _utils, usage
@@ -40,6 +39,7 @@
     from anthropic.types import (
         Base64PDFSourceParam,
         ContentBlock,
+        DocumentBlockParam,
         ImageBlockParam,
         Message as AnthropicMessage,
         MessageParam,

pydantic_ai_slim/pydantic_ai/models/cohere.py

@@ -5,7 +5,6 @@
 from itertools import chain
 from typing import Literal, Union, cast
 
-from cohere import TextAssistantMessageContentItem
 from typing_extensions import assert_never
 
 from .. import ModelHTTPError, result
@@ -38,6 +37,7 @@
         ChatMessageV2,
         ChatResponse,
         SystemChatMessageV2,
+        TextAssistantMessageContentItem,
         ToolCallV2,
         ToolCallV2Function,
         ToolChatMessageV2,