chore: fix

tests/commands/test_commands.py

@@ -1831,6 +1831,39 @@ def test_start_list_trades_data(testdatadir, capsys):
         captured.out,
     )
 
+    args = [
+        "list-data",
+        "--datadir",
+        str(testdatadir),
+        "--trades",
+        "--pairs",
+        "XRP/ETH",
+    ]
+    pargs = get_args(args)
+    pargs["config"] = None
+    start_list_data(pargs)
+    captured = capsys.readouterr()
+    assert "Found trades data for 1 pair." in captured.out
+    assert re.search(r".*Pair.*Type.*\n", captured.out)
+    assert re.search(
+        r"\n.* XRP/ETH .* spot .* 2019-10-11 00:00:01 .* 2019-10-13 11:19:28 .* 12477 .*|\n",
+        captured.out,
+    )
+
+    args = [
+        "list-data",
+        "--datadir",
+        str(testdatadir),
+        "--trades",
+        "--pairs",
+        "NO/PAIR",
+    ]
+    pargs = get_args(args)
+    pargs["config"] = None
+    start_list_data(pargs)
+    captured = capsys.readouterr()
+    assert "Found trades data for 0 pairs." in captured.out
+
     args = [
         "list-data",
         "--datadir",