Merge pull request #2513 from effigies/fix/metadata_error

FIX: Permit missing TR to show PyBIDS error at workflow construction time

fmriprep/workflows/bold/base.py

@@ -278,7 +278,7 @@ def init_func_preproc_wf(bold_file):
             registration_init=config.workflow.bold2t1w_init,
             pe_direction=metadata.get("PhaseEncodingDirection"),
             echo_idx=echo_idxs,
-            tr=metadata.get("RepetitionTime")),
+            tr=metadata["RepetitionTime"]),
         name='summary', mem_gb=config.DEFAULT_MEMORY_MIN_GB, run_without_submitting=True)
     summary.inputs.dummy_scans = config.workflow.dummy_scans