Update app.py

app.py

@@ -9,7 +9,7 @@ choices = os.popen('tesseract --list-langs').read().split('\n')[1:-1]
 
 def inference(filepath, languages):
     print('languages', languages)
-    languages_str = '-l ' + '+'.join(languages) if languages else ''
+    languages_str = ' -l ' + '+'.join(languages) if languages else ''
     print('languages_str', languages_str)
     return os.popen(f'tesseract {filepath} -{languages_str}').read().strip()