Fix pyright errors

Author: Enkidu93

machine/corpora/text_file_alignment_corpus.py

@@ -22,5 +22,5 @@ def __init__(self, *args, **kwargs) -> None:
             file_patterns = (str(p) for p in args)
         else:
             file_patterns = (str(p) for p in args[0])
-        collections = (TextFileAlignmentCollection(id, filename) for id, filename in get_files(file_patterns))
+        collections = (TextFileAlignmentCollection(id, filename) for id, filename, _ in get_files(file_patterns))
         super().__init__(collections)

machine/corpora/text_file_text_corpus.py

@@ -10,10 +10,10 @@
 
 class TextFileTextCorpus(DictionaryTextCorpus):
     @overload
-    def __init__(self, file_patterns: Iterable[StrPath], data_types: Iterable[DataType]) -> None: ...
+    def __init__(self, file_patterns: Iterable[StrPath], data_types: Iterable[DataType] = []) -> None: ...
 
     @overload
-    def __init__(self, *file_patterns: StrPath, data_types: Iterable[DataType]) -> None: ...
+    def __init__(self, *file_patterns: StrPath, data_types: Iterable[DataType] = []) -> None: ...
 
     def __init__(self, *args, **kwargs) -> None:
         file_patterns: Iterable[str]