Log Message:
py-psutil: updated to 5.7.3

5.7.3
=====

2020-10-23

**Enhancements**

- 809_: [FreeBSD] add support for `Process.rlimit()`.
- 893_: [BSD] add support for `Process.environ()` (patch by Armin Gruner)
- 1830_: [UNIX] `net_if_stats()`'s `isup` also checks whether the NIC is
  running (meaning Wi-Fi or ethernet cable is connected).  (patch by Chris Burger)
- 1837_: [Linux] improved battery detection and charge "secsleft" \ 
calculation
  (patch by aristocratos)

**Bug fixes**

- 1620_: [Linux] physical cpu_count() result is incorrect on systems with more
  than one CPU socket.  (patch by Vincent A. Arcila)
- 1738_: [macOS] Process.exe() may raise FileNotFoundError if process is still
  alive but the exe file which launched it got deleted.
- 1791_: [macOS] fix missing include for getpagesize().
- 1823_: [Windows] Process.open_files() may cause a segfault due to a NULL
  pointer.
- 1838_: [Linux] sensors_battery(): if `percent` can be determined but not
  the remaining values, still return a result instead of None.
  (patch by aristocratos)