better display for status error

src/jflow/workflow.py

@@ -501,7 +501,7 @@ class Workflow(threading.Thread):
                 if display_errors and len(status_info["failed_commands"]) > 0:
                     if components_errors == "" :
                         components_errors = "Failed Commands :\n"  
-                    components_errors += "  - " + component + " :\n    " + "\n    ".join(status_info["failed_commands"])
+                    components_errors += "  - " + component + " :\n    " + "\n    ".join(status_info["failed_commands"]) + "\n"
                 status += "  - " + component + ", time elapsed " + time_format(status_info["time"]) + \
                     " (total:" + str(status_info["tasks"]) + ", " + waiting + ", " + running + ", " + failed + \
                     ", " + aborted + ", " + completed + ")"
@@ -511,7 +511,7 @@ class Workflow(threading.Thread):
             pretty_str += ("\n" + worflow_errors) if worflow_errors != "" else ""
             if len(workflow.get_components_nameid()) > 0:
                 pretty_str += ("\n" + status) if status != "" else ""
-                pretty_str += ("\n" + components_errors) if components_errors != "" else ""
+                pretty_str += ("\n" + components_errors[:-1]) if components_errors != "" else ""
             if html: return pretty_str.replace("\n", "<br />")
             else: return pretty_str
         else: