Improve error message

Edinburgh-Genome-Foundry · Aug 21, 2023 · 2fd7ac2 · 2fd7ac2
1 parent 9014307
commit 2fd7ac2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/ediacara/Assembly.py b/ediacara/Assembly.py
@@ -100,7 +100,8 @@ def __init__(
  plan_df = pd.read_csv(assembly_plan, skiprows=1, header=None) # skip header
  self.assembly_plan = plan_df[plan_df[0] == self.reference.id]
  if len(self.assembly_plan) == 0:
- raise ValueError("Error! Assembly plan doesn't contain the reference!")
+ raise ValueError("Error! Assembly plan doesn't contain the reference! "
+ "(Have you ensured that the plan contains a header line?)")
  if len(self.assembly_plan) > 1:
  raise ValueError(
  "Error! More than one assembly plan entry matches the reference!"