Fix linting errors.

Author: CXuesong

test/plugins/test_symbols.py

@@ -78,6 +78,7 @@ def sym(name):
     # Not going to get too in-depth here else we're just testing Jedi
     assert sym('a')['location']['range']['start'] == {'line': 2, 'character': 0}
 
+
 def test_symbols_hierarchical(config):
     doc = Document(DOC_URI, DOC)
 
@@ -95,6 +96,7 @@ def test_symbols_hierarchical(config):
 
     def sym(name):
         return [s for s in symbols if s['name'] == name][0]
+
     def child_sym(sym, name):
         if not sym['children']:
             return None
@@ -106,4 +108,4 @@ def child_sym(sym, name):
     assert len(sym('B')['children']) == 1
     assert child_sym(sym('B'), '__init__')['kind'] == SymbolKind.Function
     assert child_sym(sym('B'), '__init__')['detail'] == 'B.__init__'
-    assert sym('main')['kind'] == SymbolKind.Function
+    assert sym('main')['kind'] == SymbolKind.Function