diff --git a/aprendizations/tools.py b/aprendizations/tools.py
index b91a239..ccdb0be 100644
--- a/aprendizations/tools.py
+++ b/aprendizations/tools.py
@@ -101,14 +101,14 @@ class HighlightRenderer(mistune.Renderer):
         return highlight(code, lexer, formatter)
 
     def table(self, header, body):
-        return (f'<table class="table table-sm"><thead class="thead-light">'
-                f'{header}</thead><tbody>{body}</tbody></table>')
+        return '<table class="table table-sm"><thead class="thead-light">' \
+               + header + '</thead><tbody>' + body + '</tbody></table>'
 
     def image(self, src, title, alt):
         alt = mistune.escape(alt, quote=True)
         title = mistune.escape(title or '', quote=True)
-        return (f'<img src="/file/{src}" class="img-fluid mx-auto d-block" '
-                f'alt="{alt}" title="{title}">')
+        return f'<img src="/file/{src}" class="img-fluid mx-auto d-block" ' \
+               f'alt="{alt}" title="{title}">'
 
     # Pass math through unaltered - mathjax does the rendering in the browser
     def block_math(self, text):
--
libgit2 0.21.2