style: Add tabs
diff --git a/erpnext/crm/doctype/email_campaign/email_campaign.py b/erpnext/crm/doctype/email_campaign/email_campaign.py
index 1a0bb2c..98e4927 100644
--- a/erpnext/crm/doctype/email_campaign/email_campaign.py
+++ b/erpnext/crm/doctype/email_campaign/email_campaign.py
@@ -39,9 +39,9 @@
 
 	def validate_email_campaign_already_exists(self):
 		email_campaign_exists = frappe.db.exists("Email Campaign", {
-		"campaign_name": self.campaign_name,
-		"recipient": self.recipient,
-		"status": ("in", ["In Progress", "Scheduled"])
+			"campaign_name": self.campaign_name,
+			"recipient": self.recipient,
+			"status": ("in", ["In Progress", "Scheduled"])
 		})
 		if email_campaign_exists:
 			frappe.throw(_("The Campaign '{0}' already exists for the {1} '{2}'").format(self.campaign_name, self.email_campaign_for, self.recipient))