filter nil (#6916) (#13188)

Co-authored-by: Edward Sun <sunedward@google.com> Signed-off-by: Modular Magician <magic-modules@google.com> Signed-off-by: Modular Magician <magic-modules@google.com> Co-authored-by: Edward Sun <sunedward@google.com>
hashicorp · Dec 6, 2022 · d075c82 · d075c82
1 parent 5fc4734
commit d075c82
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diff --git a/.changelog/6916.txt b/.changelog/6916.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+cloud composer: fixed a crash when updating `ip_allocation_policy` of `google_composer_environment`
+```
diff --git a/google/resource_composer_environment.go b/google/resource_composer_environment.go
@@ -1740,7 +1740,7 @@ func expandComposerEnvironmentConfigNodeConfig(v interface{}, d *schema.Resource
 
 func expandComposerEnvironmentIPAllocationPolicy(v interface{}, d *schema.ResourceData, config *Config) (*composer.IPAllocationPolicy, error) {
 	l := v.([]interface{})
-	if len(l) == 0 {
+	if len(l) == 0 || l[0] == nil {
 		return nil, nil
 	}
 	raw := l[0]