move import to top of file

Author: edwinokonkwo

ldai/providers/ai_provider.py

@@ -4,7 +4,7 @@
 from typing import Any, Dict, List, Optional, Union
 
 from ldai.models import AIConfigKind, LDMessage
-from ldai.providers.types import ChatResponse, StructuredResponse
+from ldai.providers.types import ChatResponse, LDAIMetrics, StructuredResponse
 
 
 class AIProvider(ABC):
@@ -42,9 +42,6 @@ async def invoke_model(self, messages: List[LDMessage]) -> ChatResponse:
         if self.logger:
             self.logger.warn('invokeModel not implemented by this provider')
 
-        from ldai.models import LDMessage
-        from ldai.providers.types import LDAIMetrics
-        
         return ChatResponse(
             message=LDMessage(role='assistant', content=''),
             metrics=LDAIMetrics(success=False, usage=None),
@@ -71,8 +68,6 @@ async def invoke_structured_model(
         if self.logger:
             self.logger.warn('invokeStructuredModel not implemented by this provider')
 
-        from ldai.providers.types import LDAIMetrics
-        
         return StructuredResponse(
             data={},
             raw_response='',