pythonnet
diff --git a/‎src/runtime/arrayobject.cs
Lines changed: 9 additions & 4 deletions b/‎src/runtime/arrayobject.cs
Lines changed: 9 additions & 4 deletions
@@ -161,7 +161,7 @@ static NewReference NewInstance(Type elementType, BorrowedReference arrayPyType,
             {
                 if (!Runtime.PyInt_Check(idx))
                 {
-                    return Exceptions.RaiseTypeError("array index is not an integer");
+                    return RaiseTypeError(idx);
                 }
                 index = Runtime.PyInt_AsLong(idx);
 
@@ -205,7 +205,7 @@ static NewReference NewInstance(Type elementType, BorrowedReference arrayPyType,
                 IntPtr op = Runtime.PyTuple_GetItem(idx, i);
                 if (!Runtime.PyInt_Check(op))
                 {
-                    return Exceptions.RaiseTypeError($"array index {i} is not an integer");
+                    return RaiseTypeError(op);
                 }
                 index = Runtime.PyInt_AsLong(op);
 
@@ -263,7 +263,7 @@ static NewReference NewInstance(Type elementType, BorrowedReference arrayPyType,
             {
                 if (!Runtime.PyInt_Check(idx))
                 {
-                    Exceptions.RaiseTypeError("array index is not an integer");
+                    RaiseTypeError(idx);
                     return -1;
                 }
                 index = Runtime.PyInt_AsLong(idx);
@@ -306,7 +306,7 @@ static NewReference NewInstance(Type elementType, BorrowedReference arrayPyType,
                 IntPtr op = Runtime.PyTuple_GetItem(idx, i);
                 if (!Runtime.PyInt_Check(op))
                 {
-                    Exceptions.RaiseTypeError($"array index {i} is not an integer");
+                    RaiseTypeError(op);
                     return -1;
                 }
                 index = Runtime.PyInt_AsLong(op);
@@ -338,6 +338,11 @@ static NewReference NewInstance(Type elementType, BorrowedReference arrayPyType,
             return 0;
         }
 
+        private static IntPtr RaiseTypeError(IntPtr idx)
+        {
+            string tpName = Runtime.PyObject_GetTypeName(idx);
+            return Exceptions.RaiseTypeError($"array index has type {tpName}, expected an integer");
+        }
 
         /// <summary>
         /// Implements __contains__ for array types.
Original file line number	Diff line number	Diff line change
`@@ -161,7 +161,7 @@ static NewReference NewInstance(Type elementType, BorrowedReference arrayPyType,`
`161`	`161`	`{`
`162`	`162`	`if (!Runtime.PyInt_Check(idx))`
`163`	`163`	`{`
`164`		`- return Exceptions.RaiseTypeError("array index is not an integer");`
	`164`	`+ return RaiseTypeError(idx);`
`165`	`165`	`}`
`166`	`166`	`index = Runtime.PyInt_AsLong(idx);`
`167`	`167`
`@@ -205,7 +205,7 @@ static NewReference NewInstance(Type elementType, BorrowedReference arrayPyType,`
`205`	`205`	`IntPtr op = Runtime.PyTuple_GetItem(idx, i);`
`206`	`206`	`if (!Runtime.PyInt_Check(op))`
`207`	`207`	`{`
`208`		`- return Exceptions.RaiseTypeError($"array index {i} is not an integer");`
	`208`	`+ return RaiseTypeError(op);`
`209`	`209`	`}`
`210`	`210`	`index = Runtime.PyInt_AsLong(op);`
`211`	`211`
`@@ -263,7 +263,7 @@ static NewReference NewInstance(Type elementType, BorrowedReference arrayPyType,`
`263`	`263`	`{`
`264`	`264`	`if (!Runtime.PyInt_Check(idx))`
`265`	`265`	`{`
`266`		`- Exceptions.RaiseTypeError("array index is not an integer");`
	`266`	`+ RaiseTypeError(idx);`
`267`	`267`	`return -1;`
`268`	`268`	`}`
`269`	`269`	`index = Runtime.PyInt_AsLong(idx);`
`@@ -306,7 +306,7 @@ static NewReference NewInstance(Type elementType, BorrowedReference arrayPyType,`
`306`	`306`	`IntPtr op = Runtime.PyTuple_GetItem(idx, i);`
`307`	`307`	`if (!Runtime.PyInt_Check(op))`
`308`	`308`	`{`
`309`		`- Exceptions.RaiseTypeError($"array index {i} is not an integer");`
	`309`	`+ RaiseTypeError(op);`
`310`	`310`	`return -1;`
`311`	`311`	`}`
`312`	`312`	`index = Runtime.PyInt_AsLong(op);`
`@@ -338,6 +338,11 @@ static NewReference NewInstance(Type elementType, BorrowedReference arrayPyType,`
`338`	`338`	`return 0;`
`339`	`339`	`}`
`340`	`340`
	`341`	`+ private static IntPtr RaiseTypeError(IntPtr idx)`
	`342`	`+ {`
	`343`	`+ string tpName = Runtime.PyObject_GetTypeName(idx);`
	`344`	`+ return Exceptions.RaiseTypeError($"array index has type {tpName}, expected an integer");`
	`345`	`+ }`
`341`	`346`
`342`	`347`	`/// <summary>`
`343`	`348`	`/// Implements __contains__ for array types.`