fix write_text not returning the file name

shrlok/shrlok.py

@@ -102,8 +102,8 @@ class Handler(socketserver.StreamRequestHandler):
 
 def write_text(data: bytes, title=None):
     content = "<pre>{}</pre>".format(data.decode(errors="replace"))
-    html = HTML_TEMPLATE.format(title=title or "?", content=content).encode()
-    write_content(html)
+    html = HTML_TEMPLATE.format(title=title or "", content=content).encode()
+    return write_content(html)
 
 
 def write_content(data: bytes):