style: Fix invalid translation syntax usages
diff --git a/erpnext/assets/doctype/asset/asset.py b/erpnext/assets/doctype/asset/asset.py
index 1793dad..e8e8ec6 100644
--- a/erpnext/assets/doctype/asset/asset.py
+++ b/erpnext/assets/doctype/asset/asset.py
@@ -133,9 +133,10 @@
 		if self.is_existing_asset: return
 
 		if self.gross_purchase_amount and self.gross_purchase_amount != self.purchase_receipt_amount:
-			frappe.throw(_("Gross Purchase Amount should be {} to purchase amount of one single Asset. {}\
-				Please do not book expense of multiple assets against one single Asset.")
-				.format(frappe.bold("equal"), "<br>"), title=_("Invalid Gross Purchase Amount"))
+			error_message = _("Gross Purchase Amount should be <b>equal</b> to purchase amount of one single Asset.")
+			error_message += "<br>"
+			error_message += _("Please do not book expense of multiple assets against one single Asset.")
+			frappe.throw(error_message, title=_("Invalid Gross Purchase Amount"))
 
 	def make_asset_movement(self):
 		reference_doctype = 'Purchase Receipt' if self.purchase_receipt else 'Purchase Invoice'
diff --git a/erpnext/hr/doctype/employee_transfer/employee_transfer.py b/erpnext/hr/doctype/employee_transfer/employee_transfer.py
index 37d616f..3539970 100644
--- a/erpnext/hr/doctype/employee_transfer/employee_transfer.py
+++ b/erpnext/hr/doctype/employee_transfer/employee_transfer.py
@@ -50,8 +50,9 @@
 		employee = frappe.get_doc("Employee", self.employee)
 		if self.create_new_employee_id:
 			if self.new_employee_id:
-				frappe.throw(_("Please delete the Employee <a href='/app/Form/Employee/{0}'>{0}</a>\
-					to cancel this document").format(self.new_employee_id))
+				frappe.throw(_("Please delete the Employee {0} to cancel this document").format(
+					"<a href='/app/Form/Employee/{0}'>{0}</a>".format(self.new_employee_id)
+				))
 			#mark the employee as active
 			employee.status = "Active"
 			employee.relieving_date = ''
diff --git a/erpnext/setup/doctype/company/company.py b/erpnext/setup/doctype/company/company.py
index dc45cc1..819ba78 100644
--- a/erpnext/setup/doctype/company/company.py
+++ b/erpnext/setup/doctype/company/company.py
@@ -89,8 +89,9 @@
 					frappe.throw(_("Account {0} does not belong to company: {1}").format(self.get(account[1]), self.name))
 
 				if get_account_currency(self.get(account[1])) != self.default_currency:
-					frappe.throw(_("""{0} currency must be same as company's default currency.
-						Please select another account""").format(frappe.bold(account[0])))
+					error_message = _("{0} currency must be same as company's default currency. Please select another account.") \
+						.format(frappe.bold(account[0]))
+					frappe.throw(error_message)
 
 	def validate_currency(self):
 		if self.is_new():