From e8bdf71ffcc4631c82cded65425d5662d62d5057 Mon Sep 17 00:00:00 2001
From: Matthias Walthart <coding@dschinghis-kahn.net>
Date: Mon, 17 Jul 2017 09:10:43 +0200
Subject: [PATCH] Added not null check in code generator. (#6079)

* Added not null check in code generator.

* Replaced tabs with whitespaces.
---
 .../src/main/java/io/swagger/codegen/DefaultCodegen.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java
index daa0551e31d..92f1a483c0f 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java
@@ -2578,7 +2578,9 @@ public CodegenParameter fromParameter(Parameter param, Set<String> imports) {
                 // recursively add import
                 CodegenProperty innerCp = cp;
                 while(innerCp != null) {
-                    imports.add(innerCp.complexType);
+                    if(innerCp.complexType != null) {
+                        imports.add(innerCp.complexType);
+                    }
                     innerCp = innerCp.items;
                 }