Fix signature split (for cases like float[:,:])

3 jobs for topic/default/fix-pythran-signature-no-space in 10 minutes and 39 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed step_pythran_cython #166572

00:08:59

passed step_pythran_then_cython #166571

00:10:39

passed step_without_pythran #166570

00:03:35