{chem}[foss/2020b] pdb2pqr v3.1.0 w/ Python 3.8.6

[ThomasHoffmann77]

(created using eb --new-pr)

[boegelbot]

@ThomasHoffmann77: Tests failed in GitHub Actions, see https://github.com/easybuilders/easybuild-easyconfigs/actions/runs/750995004
Output from first failing test suite run:

ERROR: test_changed_files_pull_request (test.easyconfigs.easyconfigs.EasyConfigTest)
Specific checks only done for the (easyconfig) files that were changed in a pull request.
----------------------------------------------------------------------
Traceback (most recent call last):
  File "test/easyconfigs/easyconfigs.py", line 929, in test_changed_files_pull_request
    self.check_sha256_checksums(changed_ecs)
  File "test/easyconfigs/easyconfigs.py", line 633, in check_sha256_checksums
    checksum_issues = check_sha256_checksums(retained_changed_ecs, whitelist=whitelist)
  File "/opt/hostedtoolcache/Python/2.7.18/x64/lib/python2.7/site-packages/easybuild/framework/easyconfig/tools.py", line 644, in check_sha256_checksums
    checksum_issues.extend(eb_class(ec).check_checksums())
  File "/opt/hostedtoolcache/Python/2.7.18/x64/lib/python2.7/site-packages/easybuild/easyblocks/generic/bundle.py", line 172, in check_checksums
    checksum_issues = super(Bundle, self).check_checksums()
  File "/opt/hostedtoolcache/Python/2.7.18/x64/lib/python2.7/site-packages/easybuild/framework/easyblock.py", line 2062, in check_checksums
    res = self.check_checksums_for(ext_opts, sub="of extension %s" % ext_name, source_cnt=1)
  File "/opt/hostedtoolcache/Python/2.7.18/x64/lib/python2.7/site-packages/easybuild/framework/easyblock.py", line 2016, in check_checksums_for
    for fn, checksum in zip(sources + patches, checksums):
TypeError: cannot concatenate 'str' and 'list' objects

----------------------------------------------------------------------
Ran 11838 tests in 458.136s

FAILED (errors=1)
ERROR: Not all tests were successful.

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[boegel]

closing this since foss/2020b is deprecated, see https://docs.easybuild.io/policies/toolchains