The check happened in __main__ already

Whatsapp_Chat_Exporter/__main__.py

@@ -546,8 +546,8 @@ def main():
         if (args.filter_empty):
             data = {k: v for k, v in data.items() if not is_chat_empty(v)}
 
-        if contacts_names_from_vcards_enricher.should_enrich_names_from_vCards():
             contacts_names_from_vcards_enricher.enrich_names_from_vCards(data)
+        if contact_store.should_enrich_from_vcards():
 
         if isinstance(data[next(iter(data))], ChatStore):
             data = {jik: chat.to_json() for jik, chat in data.items()}

Whatsapp_Chat_Exporter/contacts_names_from_vcards.py

@@ -1,23 +1,15 @@
 import itertools
 from typing import List, TypedDict
-
-try:
-    import vobject
-except ModuleNotFoundError:
-    vcards_deps_installed = False
-else:
-    vcards_deps_installed = True
+import vobject
 
 class ContactsNamesFromVCards:
     def __init__(self) -> None:
         self.l = []
         
-    def should_enrich_names_from_vCards(self):
+    def should_enrich_from_vcards(self):
         return len(self.l) > 0
     
     def load_vcf_file(self, vcfFilePath: str, default_country_calling_code: str):
-        if not vcards_deps_installed:
-            raise Exception('Invariant: vobject is missing')
         self.l = readVCardsFile(vcfFilePath, default_country_calling_code)
     
     def enrich_names_from_vCards(self, chats):