Merge branch 'pevens_import_fdsnws' into 'import_fdsnws'

Cleanup and fixes to fdsnws importer

See merge request pevans/shakyground2!1
3 jobs for master in 8 minutes and 48 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #69475
coverage

00:02:40

passed #69473
formatting

00:06:11

passed #69474
test

00:06:05