removed 3 lines

Author: meatball133

exercises/practice/linked-list/.meta/template.j2

@@ -9,11 +9,9 @@
             {%- set error_operation = inputs[-1]["operation"] -%}
         {% endif %}
         {%- if case["expected"] and inputs|length > 1 -%}
-            {%- set final = inputs[-1]["operation"] -%}
             {%- set inputs = inputs[:-1] -%}
         {%- elif case["expected"] -%}
-            {%- set final = inputs[-1]["operation"] -%}
-            {%- set inputs = [{"operation": "None"}] -%}
+            {%- set inputs = [] -%}
         {%- endif -%}
         {%- for input in inputs -%}
             {%- set operation = input["operation"] -%}
@@ -34,17 +32,16 @@
         {%- endif  %}
     {%- endfor %}
     {%- if error_case %}
-        {%- if final == "pop" or final == "shift" %}
+        {%- if error_operation == "pop" or error_operation == "shift" %}
         with self.assertRaises(IndexError) as err:
             lst.{{ error_operation }}()
             self.assertEqual(type(err.exception), IndexError)
-            self.assertEqual(err.exception.args[0], "{{ error_msg }}")
-        {% elif final == "delete" %}
+        {%- elif error_operation == "delete" %}
         with self.assertRaises(ValueError) as err:
-            lst.{{ final }}({{ value if value else 0 }})
+            lst.{{ error_operation }}({{ value if value else 0 }})
             self.assertEqual(type(err.exception), ValueError)
-            self.assertEqual(err.exception.args[0], "{{ error_msg }}")
         {%- endif  %}
+            self.assertEqual(err.exception.args[0], "{{ error_msg }}")
     {%- endif  %}
 {%- endmacro %}