address deepsource comments

client_test.go

@@ -439,10 +439,13 @@ func TestMultiLabelNode(t *testing.T) {
 	// create a multi label node
 	multiLabelNode := NodeNew([]string{"A","B"}, "n", nil)
 	graph.AddNode(multiLabelNode)
-	res, err := graph.Commit()
+	_, err = graph.Commit()
+	assert.Nil(t, err)
 
 	// fetch node
-	res, err = graph.Query("MATCH (n) RETURN n")
+	res, err := graph.Query("MATCH (n) RETURN n")
+	assert.Nil(t, err)
+
 	res.Next()
 	r := res.Record()
 	n := r.GetByIndex(0).(*Node)

graph.go

@@ -272,7 +272,7 @@ func (g *Graph) CallProcedure(procedure string, yield []string, args ...interfac
 	}
 	q += fmt.Sprintf("%s)", strings.Join(tmp, ","))
 
-	if yield != nil && len(yield) > 0 {
+	if len(yield) > 0 {
 		q += fmt.Sprintf(" YIELD %s", strings.Join(yield, ","))
 	}
 

query_result.go

@@ -139,13 +139,10 @@ func (qr *QueryResult) parseRecords(raw_result_set []interface{}) {
 			case COLUMN_SCALAR:
 				s, _ := redis.Values(c, nil)
 				values[idx] = qr.parseScalar(s)
-				break
 			case COLUMN_NODE:
 				values[idx] = qr.parseNode(c)
-				break
 			case COLUMN_RELATION:
 				values[idx] = qr.parseEdge(c)
-				break
 			default:
 				panic("Unknown column type.")
 			}