Log Message:
py-psutil: updated to 5.5.1

5.5.1
Enhancements
- [Windows] on Windows >= 8.1 if Process.cmdline() fails due to
  ERROR_ACCESS_DENIED attempt using NtQueryInformationProcess +
  ProcessCommandLineInformation. (patch by EccoTheFlintstone)

Bug fixes
- [Windows] Process.exe() returns "[Error 0] The operation completed
  successfully" when Python process runs in "Virtual Secure Mode".
- psutil exceptions' repr() show the internal private module path.
- [AIX] psutil won't compile on AIX 7.1 due to missing header.