diff --git a/Server/server_qt.py b/Server/server_qt.py
index 3ebbb87..6d7fd67 100644
--- a/Server/server_qt.py
+++ b/Server/server_qt.py
@@ -31,6 +31,8 @@ from copter_table import CopterTableWidget, HeaderEditDialog
 from visual_land_dialog import VisualLandDialog
 from config_editor_models import ConfigDialog
 
+from lib import b_partial
+
 startup_cwd = os.getcwd()
 
 def multi_glob(*patterns):
diff --git a/Server/visual_land_dialog.py b/Server/visual_land_dialog.py
index c0ca348..86ed229 100644
--- a/Server/visual_land_dialog.py
+++ b/Server/visual_land_dialog.py
@@ -8,7 +8,7 @@ import logging
 import sys
 from functools import partial
 
-from server_qt import b_partial
+from lib import b_partial
 
 #  TODO: previous step and reset
 class VisualLandDialog(QtWidgets.QDialog):
diff --git a/lib.py b/lib.py
new file mode 100644
index 0000000..d3bfc11
--- /dev/null
+++ b/lib.py
@@ -0,0 +1,3 @@
+
+def b_partial(func, *args, **kwargs):  # call argument blocker partial
+    return lambda *a: func(*args, **kwargs)