psutil: declare return type of io_counters() (#10303)

stubs/psutil/psutil/__init__.pyi

@@ -55,6 +55,7 @@ from psutil._common import (
     pcputimes,
     pctxsw,
     pgids,
+    pio,
     pionice,
     popenfile,
     pthread,
@@ -184,7 +185,7 @@ class Process:
         def terminal(self) -> str: ...
         def num_fds(self) -> int: ...
     if sys.platform != "darwin":
-        def io_counters(self): ...
+        def io_counters(self) -> pio: ...
         def ionice(self, ioclass: int | None = None, value: int | None = None) -> pionice: ...
         def cpu_affinity(self, cpus: list[int] | None = None) -> list[int] | None: ...
         def memory_maps(self, grouped: bool = True): ...

stubs/psutil/psutil/_psbsd.pyi

@@ -12,6 +12,7 @@ from psutil._common import (
     conn_tmap as conn_tmap,
     conn_to_ntuple as conn_to_ntuple,
     memoize as memoize,
+    pio,
     usage_percent as usage_percent,
 )
 
@@ -140,7 +141,7 @@ class Process:
     def nice_get(self): ...
     def nice_set(self, value): ...
     def status(self): ...
-    def io_counters(self): ...
+    def io_counters(self) -> pio: ...
     def cwd(self): ...
 
     class nt_mmap_grouped(NamedTuple):

stubs/psutil/psutil/_pslinux.pyi

@@ -199,7 +199,7 @@ class Process:
     def cmdline(self): ...
     def environ(self): ...
     def terminal(self): ...
-    def io_counters(self): ...
+    def io_counters(self) -> pio: ...
     def cpu_times(self): ...
     def cpu_num(self): ...
     def wait(self, timeout: Incomplete | None = ...): ...

stubs/psutil/psutil/_pswindows.pyi

@@ -193,7 +193,7 @@ class Process:
     def nice_set(self, value): ...
     def ionice_get(self): ...
     def ionice_set(self, ioclass, value) -> None: ...
-    def io_counters(self): ...
+    def io_counters(self) -> pio: ...
     def status(self): ...
     def cpu_affinity_get(self): ...
     def cpu_affinity_set(self, value): ...