diff --git a/frappe/core/doctype/doctype/test_doctype.py b/frappe/core/doctype/doctype/test_doctype.py
index 20be684c30..969a71ab7d 100644
--- a/frappe/core/doctype/doctype/test_doctype.py
+++ b/frappe/core/doctype/doctype/test_doctype.py
@@ -303,7 +303,6 @@ class TestDocType(unittest.TestCase):
 		#create doctype
 		link_doc = self.new_doctype('Test Linked Doctype')
 		link_doc.is_submittable = 1
-		field_1 = link_doc.append('fields', {})
 		for data in link_doc.get('permissions'):
 			data.submit = 1
 			data.cancel = 1
diff --git a/frappe/desk/form/linked_with.py b/frappe/desk/form/linked_with.py
index b497ad08ab..1d6881ace2 100644
--- a/frappe/desk/form/linked_with.py
+++ b/frappe/desk/form/linked_with.py
@@ -22,7 +22,7 @@ def get_submitted_linked_docs(doctype, name, docs=None):
 		name (str) - The docname for which get all linked doctypes
 
 	Keyword Arguments:
-		docs (list of dict) - (Optional) Get list of dictionary for linked doctype (default: None)
+		docs (list of dict) - (Optional) Get list of dictionary for linked doctype.
 
 	Returns:
 		dict - Return list of documents and link count
@@ -108,9 +108,7 @@ def validate_linked_doc(docinfo):
 
 
 def get_exempted_doctypes():
-	"""
-	Get list of doctypes exempted from being auto-cancelled
-	"""
+	""" Get list of doctypes exempted from being auto-cancelled """
 
 	auto_cancel_exempt_doctypes = []
 	for doctypes in frappe.get_hooks('auto_cancel_exempt_doctypes'):
@@ -291,7 +289,8 @@ def get_dynamic_linked_fields(doctype, without_ignore_user_permissions_enabled=F
 		if is_single(df.doctype): continue
 
 		# optimized to get both link exists and parenttype
-		possible_link = frappe.get_all(df.doctype, filters={df.doctype_fieldname: doctype}, fields=['parenttype'], distinct=True)
+		possible_link = frappe.get_all(df.doctype, filters={df.doctype_fieldname: doctype},
+		fields=['parenttype'], distinct=True)
 
 		if not possible_link: continue