diff --git a/noxfile.py b/noxfile.py
index d00df751..416efc67 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -128,6 +128,7 @@ def precommit(session: nox.Session) -> None:
         "lint",
         external=True,
     )
+    session.install("pydoclint")
     session.run("pre-commit", *args, external=True)
     if args and args[0] == "install":
         activate_virtualenv_in_precommit_hooks(session)
diff --git a/src/odoo_data_flow/__main__.py b/src/odoo_data_flow/__main__.py
index fdcf5a2d..b773f72b 100644
--- a/src/odoo_data_flow/__main__.py
+++ b/src/odoo_data_flow/__main__.py
@@ -311,6 +311,11 @@ def import_cmd(connection_file: str, **kwargs: Any) -> None:
     except (ValueError, SyntaxError) as e:
         log.error(f"Invalid --context dictionary provided: {e}")
         return
+
+    groupby = kwargs.get("groupby")
+    if groupby:
+        kwargs["groupby"] = [col.strip() for col in groupby.split(",")]
+
     run_import(**kwargs)
 
 
diff --git a/tests/test_import_threaded.py b/tests/test_import_threaded.py
index 118582a0..71e95b14 100644
--- a/tests/test_import_threaded.py
+++ b/tests/test_import_threaded.py
@@ -661,3 +661,38 @@ def test_recursive_batching_group_col_not_found(self) -> None:
             mock_log.error.assert_called_once_with(
                 "Grouping column 'non_existent' not found. Cannot use --groupby."
             )
+
+    def test_recursive_batching_with_special_chars_in_col_name(self) -> None:
+        """Test batching with special characters in column names."""
+        from odoo_data_flow.import_threaded import _recursive_create_batches
+
+        header = ["id", "name", "partner_id/id"]
+        data = [
+            ["1", "A", "p1"],
+            ["2", "B", "p1"],
+            ["3", "C", "p2"],
+        ]
+        batches = list(
+            _recursive_create_batches(data, ["partner_id/id"], header, 10, False)
+        )
+        assert len(batches) == 2
+        assert batches[0][1][0][2] == "p1"
+        assert batches[1][1][0][2] == "p2"
+
+    def test_recursive_batching_multiple_cols_with_special_chars(self) -> None:
+        """Test batching with multiple columns, one with special characters."""
+        from odoo_data_flow.import_threaded import _recursive_create_batches
+
+        header = ["id", "name", "partner_id/id", "company_id"]
+        data = [
+            ["1", "A", "p1", "c1"],
+            ["2", "B", "p1", "c2"],
+            ["3", "C", "p2", "c1"],
+            ["4", "D", "p1", "c1"],
+        ]
+        batches = list(
+            _recursive_create_batches(
+                data, ["partner_id/id", "company_id"], header, 10, False
+            )
+        )
+        assert len(batches) == 3