fix: reassign xml_tools to tools to make it work with vllm

chat_template.jinja

@@ -32,7 +32,7 @@
   {%- set today = strftime_now("%d %B %Y") -%}
   {{- "Today Date: " ~ today ~ "\n" -}}
   {{- "Reasoning Mode: " + reasoning_mode + "\n\n" -}}
-  
+
   {{- "## Custom Instructions\n\n" -}}
   {%- if custom_instructions -%}
     {{- custom_instructions + "\n\n" -}}
@@ -42,9 +42,12 @@
     {{- "You are a helpful AI assistant named SmolLM, trained by Hugging Face.\n\n" -}}
   {%- endif -%}
 
-  {%- if xml_tools or python_tools -%}
+  {%- if xml_tools or python_tools or tools -%}
     {{- "### Tools\n\n" -}}
-    {%- if xml_tools -%}
+    {%- if xml_tools or tools -%}
+      {%- if tools -%}
+        {%- set xml_tools = tools -%}
+      {%- endif -%}
       {%- set ns = namespace(xml_tool_string="You may call one or more functions to assist with the user query.\nYou are provided with function signatures within <tools></tools> XML tags:\n\n<tools>\n") -%}
       {%- for tool in xml_tools[:] -%} {# The slicing makes sure that xml_tools is a list #}
         {%- set ns.xml_tool_string = ns.xml_tool_string ~ (tool | string) ~ "\n" -%}
@@ -88,4 +91,4 @@
     {%- else -%}
         {{ "<|im_start|>assistant\n" + "<think>\n\n</think>\n"  }}
     {%- endif -%}
-{%- endif -%}
+{%- endif -%}