[fix] system_country can be none

frappe/__init__.py

@@ -1364,6 +1364,6 @@ def get_active_domains():
 	return active_domains
 
 def get_system_country():
-	if not local.system_country:
-		local.system_country = db.get_single_value('System Settings', 'country')
+	if local.system_country is None:
+		local.system_country = db.get_single_value('System Settings', 'country') or ''
 	return local.system_country

frappe/desk/form/meta.py

@@ -68,7 +68,8 @@ class FormMeta(Meta):
 		system_country = frappe.get_system_country()
 
 		self._add_code(_get_path(self.name + '.js'), '__js')
-		self._add_code(_get_path(os.path.join('regional', system_country + '.js')), '__js')
+		if system_country:
+			self._add_code(_get_path(os.path.join('regional', system_country + '.js')), '__js')
 		self._add_code(_get_path(self.name + '.css'), "__css")
 		self._add_code(_get_path(self.name + '_list.js'), '__list_js')
 		self._add_code(_get_path(self.name + '_calendar.js'), '__calendar_js')