python3-pyproj must depend on python3-distutils

[Sergey Spiridonov]

Missed dependency on python3-distutils

Getting crash:

     import pyproj
   File "/usr/lib/python3/dist-packages/pyproj/__init__.py", line 70, in <module>
     from pyproj import _datadir
   File "pyproj/_datadir.pyx", line 6, in init pyproj._datadir
   File "/usr/lib/python3/dist-packages/pyproj/datadir.py", line 6, in <module>
     from distutils.spawn import find_executable
 ModuleNotFoundError: No module named 'distutils.spawn'

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: python3-pyproj 2.5.0+ds-1
ProcVersionSignature: Ubuntu 5.4.0-31.35-generic 5.4.34
Uname: Linux 5.4.0-31-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
Date: Wed May 27 12:24:15 2020
InstallationDate: Installed on 2020-05-05 (21 days ago)
InstallationMedia: Xubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: python-pyproj
UpgradeStatus: No upgrade log present (probably fresh install)