fix rendering issues: remove highlighting and show raw text for templates (#532)

* remove highlightingg and show row text for templates

* remove the highlighter import

* remove commented lines

Author: zaidalyafeai

promptsource/app.py

@@ -6,7 +6,6 @@
 import plotly.express as px
 import streamlit as st
 from datasets import get_dataset_infos
-from jinja2 import TemplateSyntaxError
 from pygments import highlight
 from pygments.formatters import HtmlFormatter
 from pygments.lexers import DjangoLexer
@@ -86,10 +85,13 @@ def show_jinja(t, width=WIDTH):
     st.write(out, unsafe_allow_html=True)
 
 
-def show_text(t, width=WIDTH):
+def show_text(t, width=WIDTH, with_markdown=False):
     wrap = [textwrap.fill(subt, width=width, replace_whitespace=False) for subt in t.split("\n")]
     wrap = "\n".join(wrap)
-    st.write(wrap, unsafe_allow_html=True)
+    if with_markdown:
+        st.write(wrap, unsafe_allow_html=True)
+    else:
+        st.text(wrap)
 
 
 #
@@ -373,10 +375,7 @@ def get_infos(d_name):
                     st.write(example)
                 if num_templates > 0:
                     with col2:
-                        try:
-                            prompt = template.apply(example, highlight_variables=True)
-                        except (TemplateSyntaxError, TypeError):
-                            prompt = template.apply(example, highlight_variables=False)
+                        prompt = template.apply(example, highlight_variables=False)
                         if prompt == [""]:
                             st.write("∅∅∅ *Blank result*")
                         else:
@@ -453,7 +452,7 @@ def get_infos(d_name):
             col1, _, _ = st.beta_columns([18, 1, 6])
             with col1:
                 if state.template_name is not None:
-                    show_text(variety_guideline)
+                    show_text(variety_guideline, with_markdown=True)
 
             #
             # Edit the created or selected template