Clang on Windows: Fix build errors

include/openPMD/binding/python/Mpi.hpp

@@ -94,7 +94,7 @@ pythonObjectAsMpiComm(pybind11::object &comm)
             e_t::is_not_an_mpi_communicator};
     // only checks same layout, e.g. an `int` in `PyObject` could pass this
     if (!py::isinstance<py::class_<openPMD_PyMPIIntracommObject> >(
-            comm.get_type()))
+            py::type::of(comm)))
         // TODO add mpi4py version from above import check to error message
         return e{
             "comm has unexpected type layout in " + comm_str +

src/binding/python/Attributable.cpp

@@ -275,7 +275,7 @@ template <typename RequestedType>
 bool setAttributeFromObject_default(
     Attributable &attr, std::string const &key, py::object &obj)
 {
-    if (std::string(py::str(obj.get_type())) == "<class 'list'>")
+    if (std::string(py::str(py::type::of(obj))) == "<class 'list'>")
     {
         using ListType = std::vector<RequestedType>;
         return attr.setAttribute<ListType>(key, obj.cast<ListType>());
@@ -289,7 +289,7 @@ bool setAttributeFromObject_default(
 bool setAttributeFromObject_double(
     Attributable &attr, std::string const &key, py::object &obj)
 {
-    if (std::string(py::str(obj.get_type())) == "<class 'list'>")
+    if (std::string(py::str(py::type::of(obj))) == "<class 'list'>")
     {
         using ListType = std::vector<double>;
         using ArrayType = std::array<double, 7>;
@@ -342,7 +342,7 @@ std::optional<TargetType> tryCast(py::object const &obj)
     {
         TargetType val{};
         auto python_val = py::cast(std::move(val));
-        if (!py::isinstance(obj, python_val.get_type()))
+        if (!py::isinstance(obj, py::type::of(python_val)))
         {
             return std::nullopt;
         }

src/binding/python/Series.cpp

@@ -387,7 +387,10 @@ not possible once it has been closed.
         std::tuple<py::object, std::string>,
         std::tuple<py::object, py::object>
 #endif
-        >::template call(cl);
+        >::template call<py::class_<Series, Attributable> &>(cl);
+    //                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+    // need to explicitly state template parameters, otherwise Clang on
+    // Windows does not understand that it really is a template
 
     cl.def("__bool__", &Series::operator bool)
         .def("__len__", [](Series const &s) { return s.iterations.size(); })