Update app.py

app.py

@@ -551,7 +551,7 @@ def create_image(url):
     #out.append("HTML fragments: ")
     #q=("a","p","span","content","article")
     out=[]
-    for p in soup.find_all("pre, {'class': 'mermaid'}")
+    for p in soup.find_all("pre, {'class': 'mermaid'}"):
         out.append(p.find('svg'))
     print(out)
     #out.append(p.string)