diff --git a/lib/chains/llm_chain.ex b/lib/chains/llm_chain.ex
index 797e8dd1..8a89ed7c 100644
--- a/lib/chains/llm_chain.ex
+++ b/lib/chains/llm_chain.ex
@@ -472,7 +472,9 @@ defmodule LangChain.Chains.LLMChain do
       combined_results = async_results ++ sync_results ++ invalid_calls
 
       # create a single tool message that contains all the tool results
-      message = Message.new_tool_result!(%{content: message.content, tool_results: combined_results})
+      message =
+        Message.new_tool_result!(%{content: message.content, tool_results: combined_results})
+
       if chain.verbose, do: IO.inspect(message, label: "TOOL RESULTS")
       fire_callback(chain, message)
 
@@ -508,6 +510,7 @@ defmodule LangChain.Chains.LLMChain do
 
         {:error, reason} when is_binary(reason) ->
           if verbose, do: IO.inspect(reason, label: "FUNCTION ERROR")
+
           ToolResult.new!(%{
             tool_call_id: call.call_id,
             content: reason,
diff --git a/lib/chat_models/chat_mistral_ai.ex b/lib/chat_models/chat_mistral_ai.ex
index f01952a3..f798a6af 100644
--- a/lib/chat_models/chat_mistral_ai.ex
+++ b/lib/chat_models/chat_mistral_ai.ex
@@ -240,7 +240,15 @@ defmodule Langchain.ChatModels.ChatMistralAI do
       headers: get_headers(mistral),
       receive_timeout: mistral.receive_timeout
     )
-    |> Req.post(into: Utils.handle_stream_fn(mistral, &ChatOpenAI.decode_stream/1, &do_process_response/1, callback_fn))
+    |> Req.post(
+      into:
+        Utils.handle_stream_fn(
+          mistral,
+          &ChatOpenAI.decode_stream/1,
+          &do_process_response/1,
+          callback_fn
+        )
+    )
     |> case do
       {:ok, %Req.Response{body: data}} ->
         data
diff --git a/lib/chat_models/chat_model.ex b/lib/chat_models/chat_model.ex
index 59711989..b6530611 100644
--- a/lib/chat_models/chat_model.ex
+++ b/lib/chat_models/chat_model.ex
@@ -3,7 +3,8 @@ defmodule LangChain.ChatModels.ChatModel do
   alias LangChain.MessageDelta
   alias LangChain.Function
 
-  @type call_response :: {:ok, Message.t() | [Message.t()] | [MessageDelta.t()]} | {:error, String.t()}
+  @type call_response ::
+          {:ok, Message.t() | [Message.t()] | [MessageDelta.t()]} | {:error, String.t()}
 
   @type tool :: Function.t()
   @type tools :: [tool()]
diff --git a/lib/chat_models/chat_ollama_ai.ex b/lib/chat_models/chat_ollama_ai.ex
index 00865049..48391631 100644
--- a/lib/chat_models/chat_ollama_ai.ex
+++ b/lib/chat_models/chat_ollama_ai.ex
@@ -332,7 +332,15 @@ defmodule LangChain.ChatModels.ChatOllamaAI do
       json: for_api(ollama_ai, messages, functions),
       receive_timeout: ollama_ai.receive_timeout
     )
-    |> Req.post(into: Utils.handle_stream_fn(ollama_ai, &ChatOpenAI.decode_stream/1, &do_process_response/1, callback_fn))
+    |> Req.post(
+      into:
+        Utils.handle_stream_fn(
+          ollama_ai,
+          &ChatOpenAI.decode_stream/1,
+          &do_process_response/1,
+          callback_fn
+        )
+    )
     |> case do
       {:ok, %Req.Response{body: data}} ->
         data
diff --git a/lib/chat_models/chat_open_ai.ex b/lib/chat_models/chat_open_ai.ex
index ab485734..210755dd 100644
--- a/lib/chat_models/chat_open_ai.ex
+++ b/lib/chat_models/chat_open_ai.ex
@@ -199,7 +199,7 @@ defmodule LangChain.ChatModels.ChatOpenAI do
 
   def for_api(%Message{role: :tool, tool_results: tool_results} = _msg)
       when is_list(tool_results) do
-        # ToolResults turn into a list of tool messages for OpenAI
+    # ToolResults turn into a list of tool messages for OpenAI
     Enum.map(tool_results, fn result ->
       %{
         "role" => :tool,
diff --git a/lib/function_param.ex b/lib/function_param.ex
index c1b9e5ab..a8956260 100644
--- a/lib/function_param.ex
+++ b/lib/function_param.ex
@@ -233,7 +233,8 @@ defmodule LangChain.FunctionParam do
   end
 
   def to_json_schema(%{} = _data, param) do
-    raise LangChainError, "Expected to receive a FunctionParam but instead received #{inspect param}"
+    raise LangChainError,
+          "Expected to receive a FunctionParam but instead received #{inspect(param)}"
   end
 
   # conditionally add the description field if set
diff --git a/test/chat_models/chat_anthropic_test.exs b/test/chat_models/chat_anthropic_test.exs
index baabd702..d79998ed 100644
--- a/test/chat_models/chat_anthropic_test.exs
+++ b/test/chat_models/chat_anthropic_test.exs
@@ -1010,7 +1010,6 @@ data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text
     end
   end
 
-
   describe "image vision using message parts" do
     @tag live_call: true, live_anthropic: true
     test "supports multi-modal user message with image prompt" do
diff --git a/test/chat_models/chat_google_ai_test.exs b/test/chat_models/chat_google_ai_test.exs
index abe69388..59b24dde 100644
--- a/test/chat_models/chat_google_ai_test.exs
+++ b/test/chat_models/chat_google_ai_test.exs
@@ -131,6 +131,7 @@ defmodule ChatModels.ChatGoogleAITest do
       assert %{"role" => :user, "parts" => [%{"text" => ^message}]} = msg1
       assert %{"role" => :model, "parts" => [tool_call]} = msg2
       assert %{"role" => :function, "parts" => [tool_result]} = msg3
+
       assert %{
                "functionCall" => %{
                  "args" => ^arguments,
diff --git a/test/support/fixtures.ex b/test/support/fixtures.ex
index deaeac49..df07afca 100644
--- a/test/support/fixtures.ex
+++ b/test/support/fixtures.ex
@@ -973,7 +973,7 @@ defmodule LangChain.Fixtures do
           status: :incomplete,
           index: 0,
           tool_calls: [%ToolCall{call_id: "call_123", name: "regions_list", index: 0}],
-          role: :tool_call,
+          role: :tool_call
         }
       ],
       [
@@ -982,7 +982,7 @@ defmodule LangChain.Fixtures do
           status: :incomplete,
           index: 0,
           role: :tool_call,
-          tool_calls: [%ToolCall{arguments: "{}", index: 0}],
+          tool_calls: [%ToolCall{arguments: "{}", index: 0}]
         }
       ],
       [
diff --git a/test/utils/chat_templates_test.exs b/test/utils/chat_templates_test.exs
index 35b2c632..81e3925b 100644
--- a/test/utils/chat_templates_test.exs
+++ b/test/utils/chat_templates_test.exs
@@ -407,7 +407,8 @@ defmodule LangChain.Utils.ChatTemplatesTest do
         Message.new_user!("user_prompt")
       ]
 
-      expected = "<|begin_of_text|>\n<|start_header_id|>system<|end_header_id|>\n\nsystem_message<|eot_id|>\n<|start_header_id|>user<|end_header_id|>\n\nuser_prompt<|eot_id|>\n<|start_header_id|>assistant<|end_header_id|>\n\n"
+      expected =
+        "<|begin_of_text|>\n<|start_header_id|>system<|end_header_id|>\n\nsystem_message<|eot_id|>\n<|start_header_id|>user<|end_header_id|>\n\nuser_prompt<|eot_id|>\n<|start_header_id|>assistant<|end_header_id|>\n\n"
 
       result = ChatTemplates.apply_chat_template!(messages, :llama_3)
       assert result == expected
@@ -419,7 +420,8 @@ defmodule LangChain.Utils.ChatTemplatesTest do
         Message.new_user!("user_prompt")
       ]
 
-      expected = "<|begin_of_text|>\n<|start_header_id|>system<|end_header_id|>\n\nsystem_message<|eot_id|>\n<|start_header_id|>user<|end_header_id|>\n\nuser_prompt<|eot_id|>\n"
+      expected =
+        "<|begin_of_text|>\n<|start_header_id|>system<|end_header_id|>\n\nsystem_message<|eot_id|>\n<|start_header_id|>user<|end_header_id|>\n\nuser_prompt<|eot_id|>\n"
 
       result =
         ChatTemplates.apply_chat_template!(messages, :llama_3, add_generation_prompt: false)
@@ -430,7 +432,8 @@ defmodule LangChain.Utils.ChatTemplatesTest do
     test "no system message when not provided" do
       messages = [Message.new_user!("user_prompt")]
 
-      expected = "<|begin_of_text|>\n<|start_header_id|>user<|end_header_id|>\n\nuser_prompt<|eot_id|>\n<|start_header_id|>assistant<|end_header_id|>\n\n"
+      expected =
+        "<|begin_of_text|>\n<|start_header_id|>user<|end_header_id|>\n\nuser_prompt<|eot_id|>\n<|start_header_id|>assistant<|end_header_id|>\n\n"
 
       result = ChatTemplates.apply_chat_template!(messages, :llama_3)
       assert result == expected