no newline chat template

chat_template.jinja

@@ -131,8 +131,9 @@
     {%- endif %}
 {%- endfor %}
 {%- if add_generation_prompt %}
-    {{- '<|im_start|>assistant\n' }}
     {%- if enable_thinking is defined and enable_thinking is false %}
-        {{- '<think>\n\n</think>\n\n' }}
+        {{- '<|im_start|>assistant\n<think>\n\n</think>\n\n' }}
+    {%- else %}
+        {{- '<|im_start|>assistant' }}
     {%- endif %}
 {%- endif %}