Update app.py

app.py

@@ -148,10 +148,10 @@ class Translators:
             Try other model or languages combination from the available Argos models: {', '.join(available_languages)}.'''
         else:
             try:
-                if self.sl, self.tl in combos:
+                if (self.sl, self.tl) in combos:
                     self.__class__.download_argos_model(available_packages, self.sl, self.tl) # Download model
                     translated_text = argostranslate.translate.translate(self.input_text, self.sl, self.tl) # Direct translation
-                elif self.sl, 'en' in combos and 'en', self.tl in combos:
+                elif (self.sl, 'en') in combos and ('en', self.tl) in combos:
                     self.__class__.download_argos_model(available_packages, self.sl, 'en') # Download model
                     translated_pivottext = argostranslate.translate.translate(self.input_text, self.sl, 'en') # Translate to pivot language English
                     self.__class__.download_argos_model(available_packages, 'en', self.tl) # Download model
@@ -162,8 +162,8 @@ class Translators:
             except StopIteration as IterationError:
                 # packages_info = ', '.join(f"{pkg.get_description()}->{str(pkg.links)} {str(pkg.source_languages)}" for pkg in available_packages)
                 translated_text = f"No Argos model for {iso1_to_name[self.sl]} to {iso1_to_name[self.tl]}. Error: {IterationError}. Try other model or languages combination from the available Argos models: {packages_info}."
-            except Exception as error:
-                translated_text = error
+            except Exception as generalerror:
+                translated_text = f"General error: {generalerror}")
         return translated_text
 
     @staticmethod