add error msg

scarlehoff · Aug 30, 2021 · 1a1c3d6 · 1a1c3d6
1 parent 0f84354
commit 1a1c3d6
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/pybliotecario/components/arxiv_mod.py b/src/pybliotecario/components/arxiv_mod.py
@@ -205,6 +205,9 @@ def cmdline_command(self, args):
     def telegram_message(self, msg):
         command = msg.command
         arxiv_id = msg.text.strip()
+        if not arxiv_id:
+            self.send_msg("This commands needs an argument")
+            return
         if command in ("arxivget", "arxiv-get", "arxiv_get"):
             file_send = arxiv_get_pdf(arxiv_id)
             self.send_file(file_send, delete=True)