diff --git a/.idea/tanco.iml b/.idea/tanco.iml
index 3139471..b10c069 100644
--- a/.idea/tanco.iml
+++ b/.idea/tanco.iml
@@ -5,6 +5,7 @@
   </component>
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/tanco" isTestSource="false" />
       <excludeFolder url="file://$MODULE_DIR$/.venv" />
     </content>
     <orderEntry type="inheritedJdk" />