fix module names

Author: AA-Turner

Modules/_zstd/_zstdmodule.c

@@ -593,7 +593,7 @@ do {                                                                         \
     ADD_TYPE(mod_state->ZstdCompressor_type, zstd_compressor_type_spec);
     ADD_TYPE(mod_state->ZstdDecompressor_type, zstd_decompressor_type_spec);
     mod_state->ZstdError = PyErr_NewExceptionWithDoc(
-        "_zstd.ZstdError",
+        "compression.zstd.ZstdError",
         "An error occurred in the zstd library.",
         NULL, NULL);
     if (mod_state->ZstdError == NULL) {

Modules/_zstd/compressor.c

@@ -699,7 +699,7 @@ static PyType_Slot zstdcompressor_slots[] = {
 };
 
 PyType_Spec zstd_compressor_type_spec = {
-    .name = "_zstd.ZstdCompressor",
+    .name = "compression.zstd.ZstdCompressor",
     .basicsize = sizeof(ZstdCompressor),
     .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
     .slots = zstdcompressor_slots,

Modules/_zstd/decompressor.c

@@ -867,7 +867,7 @@ static PyType_Slot ZstdDecompressor_slots[] = {
 };
 
 PyType_Spec zstd_decompressor_type_spec = {
-    .name = "_zstd.ZstdDecompressor",
+    .name = "compression.zstd.ZstdDecompressor",
     .basicsize = sizeof(ZstdDecompressor),
     .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
     .slots = ZstdDecompressor_slots,

Modules/_zstd/zstddict.c

@@ -279,7 +279,7 @@ static PyType_Slot zstddict_slots[] = {
 };
 
 PyType_Spec zstd_dict_type_spec = {
-    .name = "_zstd.ZstdDict",
+    .name = "compression.zstd.ZstdDict",
     .basicsize = sizeof(ZstdDict),
     .flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
     .slots = zstddict_slots,