testsuite: internal error with coverage 5.0.X

[thmo]

Running the testsuite with coverage 5.0.3 yields

platform linux -- Python 3.8.1, pytest-4.6.9, py-1.8.0, pluggy-0.13.0
rootdir: .../textile-4.0.0, inifile: pytest.ini, testpaths: tests
plugins: cov-2.8.1
collected 206 items
[...]
INTERNALERROR> Traceback (most recent call last):
INTERNALERROR>   File "/usr/lib64/python3.8/site-packages/coverage/sqldata.py", line 1046, in execute
INTERNALERROR>     return self.con.execute(sql, parameters)
INTERNALERROR> sqlite3.IntegrityError: UNIQUE constraint failed: meta.key
[...]

According to nedbat/coveragepy#883 this can be fixed adding this to the .coveragerc file

[run]
parallel = True

In my tests worked.

[ikirudennis]

closed by f7cca82