fixup! Disable implicit conversions, that might lose information:

lostmsu · lostmsu · commit 497c22a38bcc · 2021-09-27T16:18:28.000-07:00
fixes for #1568
diff --git a/src/runtime/converter.cs b/src/runtime/converter.cs
@@ -361,6 +361,12 @@ internal static bool ToManagedValue(IntPtr value, Type obType,
                     }
                     result = cb.type.Value;
                     return true;
+
+                case null:
+                    break;
+
+                default:
+                    throw new ArgumentException("We should never receive instances of other managed types");
             }
 
             if (value == Runtime.PyNone && !obType.IsValueType)
@@ -513,7 +519,7 @@ internal static bool ToManagedValue(IntPtr value, Type obType,
             {
                 if (setError)
                 {
-                    Exceptions.SetError(ex.InnerException);
+                    Exceptions.SetError(ex);
                 }
                 return null;
             }

Original file line number	Diff line number	Diff line change
`@@ -361,6 +361,12 @@ internal static bool ToManagedValue(IntPtr value, Type obType,`
`361`	`361`	`}`
`362`	`362`	`result = cb.type.Value;`
`363`	`363`	`return true;`
	`364`	`+`
	`365`	`+ case null:`
	`366`	`+ break;`
	`367`	`+`
	`368`	`+ default:`
	`369`	`+ throw new ArgumentException("We should never receive instances of other managed types");`
`364`	`370`	`}`
`365`	`371`
`366`	`372`	`if (value == Runtime.PyNone && !obType.IsValueType)`
`@@ -513,7 +519,7 @@ internal static bool ToManagedValue(IntPtr value, Type obType,`
`513`	`519`	`{`
`514`	`520`	`if (setError)`
`515`	`521`	`{`
`516`		`- Exceptions.SetError(ex.InnerException);`
	`522`	`+ Exceptions.SetError(ex);`
`517`	`523`	`}`
`518`	`524`	`return null;`
`519`	`525`	`}`