Running ./bin/csharp-petstore.sh on master fails to create enums as expected.

broken_enums.diff

diff --git a/samples/client/petstore/csharp/OpenAPIClient/src/Org.OpenAPITools/Model/EnumTest.cs b/samples/client/petstore/csharp/OpenAPIClient/src/Org.OpenAPITools/Model/EnumTest.cs
index 663d01a2b..ea28983f7 100644
--- a/samples/client/petstore/csharp/OpenAPIClient/src/Org.OpenAPITools/Model/EnumTest.cs
+++ b/samples/client/petstore/csharp/OpenAPIClient/src/Org.OpenAPITools/Model/EnumTest.cs
@@ -40,20 +40,20 @@ namespace Org.OpenAPITools.Model
             /// <summary>
             /// Enum UPPER for value: UPPER
             /// </summary>
-            [EnumMember(Value = "UPPER")]
-            UPPER = 1,
+
+            UPPER = UPPER,

             /// <summary>
             /// Enum Lower for value: lower
             /// </summary>
-            [EnumMember(Value = "lower")]
-            Lower = 2,
+
+            Lower = lower,

             /// <summary>
             /// Enum Empty for value:
             /// </summary>
-            [EnumMember(Value = "")]
-            Empty = 3
+
+            Empty =
         }

         /// <summary>
@@ -71,20 +71,20 @@ namespace Org.OpenAPITools.Model
             /// <summary>
             /// Enum UPPER for value: UPPER
             /// </summary>
-            [EnumMember(Value = "UPPER")]
-            UPPER = 1,
+
+            UPPER = UPPER,

             /// <summary>
             /// Enum Lower for value: lower
             /// </summary>
-            [EnumMember(Value = "lower")]
-            Lower = 2,
+
+            Lower = lower,

             /// <summary>
             /// Enum Empty for value:
             /// </summary>
-            [EnumMember(Value = "")]
-            Empty = 3
+
+            Empty =
         }

         /// <summary>
@@ -126,14 +126,14 @@ namespace Org.OpenAPITools.Model
             /// <summary>
             /// Enum NUMBER_1_DOT_1 for value: 1.1
             /// </summary>
-            [EnumMember(Value = "1.1")]
-            NUMBER_1_DOT_1 = 1,
+
+            NUMBER_1_DOT_1 = 1.1,

             /// <summary>
             /// Enum NUMBER_MINUS_1_DOT_2 for value: -1.2
             /// </summary>
-            [EnumMember(Value = "-1.2")]
-            NUMBER_MINUS_1_DOT_2 = 2
+
+            NUMBER_MINUS_1_DOT_2 = -1.2
         }