Add max_execution_time to openapi, pandas, and sql creators (#2779)

In #2399 we added the ability to set `max_execution_time` when creating
an AgentExecutor. This PR adds the `max_execution_time` argument to the
built-in pandas, sql, and openapi agents.

Co-authored-by: Zachary Jones <zjones@zetaglobal.com>

langchain/agents/agent_toolkits/openapi/base.py

@@ -22,6 +22,9 @@ def create_openapi_agent(
     suffix: str = OPENAPI_SUFFIX,
     format_instructions: str = FORMAT_INSTRUCTIONS,
     input_variables: Optional[List[str]] = None,
+    max_iterations: Optional[int] = 15,
+    max_execution_time: Optional[float] = None,
+    early_stopping_method: str = "force",
     verbose: bool = False,
     return_intermediate_steps: bool = False,
     **kwargs: Any,
@@ -47,4 +50,7 @@ def create_openapi_agent(
         tools=toolkit.get_tools(),
         verbose=verbose,
         return_intermediate_steps=return_intermediate_steps,
+        max_iterations=max_iterations,
+        max_execution_time=max_execution_time,
+        early_stopping_method=early_stopping_method,
     )

langchain/agents/agent_toolkits/pandas/base.py

@@ -20,6 +20,7 @@ def create_pandas_dataframe_agent(
     verbose: bool = False,
     return_intermediate_steps: bool = False,
     max_iterations: Optional[int] = 15,
+    max_execution_time: Optional[float] = None,
     early_stopping_method: str = "force",
     **kwargs: Any,
 ) -> AgentExecutor:
@@ -48,5 +49,6 @@ def create_pandas_dataframe_agent(
         verbose=verbose,
         return_intermediate_steps=return_intermediate_steps,
         max_iterations=max_iterations,
+        max_execution_time=max_execution_time,
         early_stopping_method=early_stopping_method,
     )

langchain/agents/agent_toolkits/sql/base.py

@@ -21,6 +21,7 @@ def create_sql_agent(
     input_variables: Optional[List[str]] = None,
     top_k: int = 10,
     max_iterations: Optional[int] = 15,
+    max_execution_time: Optional[float] = None,
     early_stopping_method: str = "force",
     verbose: bool = False,
     **kwargs: Any,
@@ -47,5 +48,6 @@ def create_sql_agent(
         tools=tools,
         verbose=verbose,
         max_iterations=max_iterations,
+        max_execution_time=max_execution_time,
         early_stopping_method=early_stopping_method,
     )