start tex formatter

PyTeX/build/pytex_file/pytex_file.py

@@ -1,7 +1,7 @@
 from typing import Optional, List, Dict, Tuple, Union
 from pathlib import Path
 from .enums import PyTeXFileType
-from PyTeX.format.formatter import Formatter
+from PyTeX.format.formatterif import FormatterIF
 from PyTeX.build.paths import RelativePath
 
 
@@ -9,7 +9,7 @@ class PyTeXSourceFile:
     def __init__(self):
         self._pytex_file_type: PyTeXFileType = None
         self._relative_path: RelativePath = None
-        self._formatter: Formatter = None
+        self._formatter: FormatterIF = None
 
     @property
     def relative_path(self):

PyTeX/format/tex_formatter.py

@@ -0,0 +1,5 @@
+from .pytex_formatter import PyTeXFormatter
+
+
+class TexFormatter(PyTeXFormatter):
+    pass