diff --git a/api/batch_api_cs.py b/api/batch_api_cs.py
index 755a8e4..69a73d9 100644
--- a/api/batch_api_cs.py
+++ b/api/batch_api_cs.py
@@ -1,4 +1,4 @@
-from .database import *
+from .database import ChangeSet, g_delete_prefix, API_DELETE, API_UPDATE, try_read, get_node_links, is_pipe, is_pump, is_valve
 from .sections import *
 
 from .s0_base import *
diff --git a/build_pyd.cmd b/build_pyd.cmd
new file mode 100644
index 0000000..45ae3ab
--- /dev/null
+++ b/build_pyd.cmd
@@ -0,0 +1 @@
+python build_pyd.py rebuild