diff --git a/scripts/generate.py b/scripts/generate.py
index e883e7f..12bac97 100644
--- a/scripts/generate.py
+++ b/scripts/generate.py
@@ -493,11 +493,11 @@ def render_block(content, acc, _class, is_code):
     acc.append('</pre>')
 
 def unindent(content):
-    base_indentation = min([0] + [
+    base_indentation = min([
         len(l) - len(l.lstrip(' '))
         for l in content.split('\n')
         if len(l.strip()) > 0
-    ])
+    ] or [0])
     content_lines = [
         l[base_indentation:]
         for l in content.split('\n')