fix: clearer error reporting

main.py

@@ -262,7 +262,7 @@ def main(driver: WebDriver, logger = logging.getLogger('main')):
     profile = None
     progress = { 'task': '' }
     selection = 0
-    errors = list()
+    errors = set()
     
     sp.add(pairs=[ (k.lower(), v) for k, v in flow ])
     sp.set('actions', lambda: flow.capabilities())
@@ -283,7 +283,7 @@ def main(driver: WebDriver, logger = logging.getLogger('main')):
         except (IndexError, KeyError):
             logger.info('Done')
             status = Status.READY
-            if errors: logger.error('Empty response from:\n\n%s' % ', '.join(errors))
+            if errors: logger.error('One or more errors occurred at:\n\n%s' % ', '.join(errors))
             continue
         except StopIteration:
             logger.error("Invalid profile '%s'", name)
@@ -334,7 +334,7 @@ def main(driver: WebDriver, logger = logging.getLogger('main')):
         
         if len(data) == 0:
             logger.warning('Server returned an empty response')
-            errors.append(profile.name)
+            errors.add(profile.name)
             continue
         
         logger.info('Initializing Workbook...')
@@ -462,6 +462,7 @@ def main(driver: WebDriver, logger = logging.getLogger('main')):
         
         if sheet.max_row < 2:
             logger.warning("No data; skipping")
+            errors.add(profile.name)
             continue
         
         try:
@@ -521,7 +522,8 @@ def main(driver: WebDriver, logger = logging.getLogger('main')):
             flow.react(Sleep)
         
         if ok is None:
-            logger.warning('Nothing to do; skipping')
+            logger.warning('Data import failed completely; skipping')
+            errors.add(profile.name)
             continue
         
         click(ok, condition=None)