Update chat_template.jinja

chat_template.jinja

@@ -55,13 +55,20 @@
         {%- set content = render_content(messages[0].content, false, true)|trim %}
         {%- if content %}
             {{- '\n\n' + content }}
+            {%- if enable_thinking is not defined or enable_thinking is not false %}
+                {{- '\n\n<think> tags must be used for thinking. Do not use <thinking> tags.' }}
+            {%- endif %}
         {%- endif %}
     {%- endif %}
     {{- '<|im_end|>\n' }}
 {%- else %}
     {%- if messages[0].role == 'system' %}
         {%- set content = render_content(messages[0].content, false, true)|trim %}
-        {{- '<|im_start|>system\n' + content + '<|im_end|>\n' }}
+        {%- if enable_thinking is not defined or enable_thinking is not false %}
+            {{- '<|im_start|>system\n' + content + '\n\n<think> tags must be used for thinking. Do not use <thinking> tags.<|im_end|>\n' }}
+        {%- else %}
+            {{- '<|im_start|>system\n' + content + '<|im_end|>\n' }}
+        {%- endif %}
     {%- endif %}
 {%- endif %}
 {%- set ns = namespace(multi_step_tool=true, last_query_index=messages|length - 1) %}
@@ -124,7 +131,7 @@
         {%- endif %}
         {{- '<|im_end|>\n' }}
     {%- elif message.role == "tool" %}
-        {%- if loop.previtem and loop.previtem.role != "tool" %}
+        {%- if not loop.previtem or loop.previtem.role != "tool" %}
             {{- '<|im_start|>user' }}
         {%- endif %}
         {{- '\n<tool_response>\n' }}