diff --git a/PyTeX/build/pytex_file/enums.py b/PyTeX/build/pytex_file/enums.py
index f3773ea..5bc3dfe 100644
--- a/PyTeX/build/pytex_file/enums.py
+++ b/PyTeX/build/pytex_file/enums.py
@@ -24,7 +24,7 @@ class TeXType(Enum):
             'strip': TeXType.TeXDocstrip
         }
         if tex_type not in switcher.keys():
-            raise ValueError  # TODO
+            raise NotImplementedError
         else:
             return switcher[tex_type]
 
@@ -46,7 +46,7 @@ class TeXFlavour(Enum):
             'LateX3': TeXFlavour.LaTeX3
         }
         if flavour not in switcher.keys():
-            raise ValueError  # TODO
+            raise NotImplementedError
         else:
             return switcher[flavour]
 
diff --git a/PyTeX/build/pytex_file/pytex_file.py b/PyTeX/build/pytex_file/pytex_file.py
index 2eabb7f..b1ac7b2 100644
--- a/PyTeX/build/pytex_file/pytex_file.py
+++ b/PyTeX/build/pytex_file/pytex_file.py
@@ -35,7 +35,7 @@ class PyTeXSourceFile:
         try:
             configs = self._formatter.format(GlobalPyTeXConfig.target_root())
         except Exception as e:
-            raise e  # TODO
+            raise NotImplementedError
         configs = [
             (self._relative_path.with_name(filename), config)
             for [filename, config] in configs
diff --git a/PyTeX/formatting/formatter.py b/PyTeX/formatting/formatter.py
index c4a4ea5..f5a8ccb 100644
--- a/PyTeX/formatting/formatter.py
+++ b/PyTeX/formatting/formatter.py
@@ -23,3 +23,6 @@ class Formatter:
         :return: List of files that will be built when the formatter is invoked
         """
         pass
+
+    def set_input_file(self, locate_config=True) -> None:
+        raise NotImplementedError
diff --git a/PyTeX/paths/pytex_path.py b/PyTeX/paths/pytex_path.py
index 81c8236..6353c9c 100644
--- a/PyTeX/paths/pytex_path.py
+++ b/PyTeX/paths/pytex_path.py
@@ -33,7 +33,7 @@ class PyTeXPurePath(PurePath):
                     self._root_dir / GlobalPyTeXConfig.wrapper_dir()
                 )
         except ValueError as e:
-            raise ValueError  # TODO
+            raise NotImplementedError
 
     def root_dir_type(self) -> PyTeXRootDirType:
         return self._pytex_root_dir_type
diff --git a/PyTeX/paths/relative_path.py b/PyTeX/paths/relative_path.py
index b9bba93..f9f47de 100644
--- a/PyTeX/paths/relative_path.py
+++ b/PyTeX/paths/relative_path.py
@@ -31,7 +31,7 @@ class RelativePath(Path):
         try:
             self._relative_path = self.relative_to(self._root_dir)
         except ValueError as e:
-            raise ValueError  # TODO
+            raise NotImplementedError
 
     @property
     def root_dir_type(self) -> PyTeXRootDirType:
diff --git a/PyTeX/versioning/version_info/version_info.py b/PyTeX/versioning/version_info/version_info.py
index 69041dc..a5de263 100644
--- a/PyTeX/versioning/version_info/version_info.py
+++ b/PyTeX/versioning/version_info/version_info.py
@@ -8,7 +8,7 @@ class GitVersionInfo:
                 x in dictionary.keys() for
                 x in [JSON_BRANCH, JSON_COMMIT_HASH]
         ):
-            raise ValueError  # TODO
+            raise NotImplementedError
 
         self._dirty: bool = dictionary[JSON_DIRTY]
         self._commit_hash: str = dictionary[JSON_COMMIT_HASH]
@@ -39,7 +39,7 @@ class GitVersionInfo:
 class FileVersionInfo:
     def __init__(self, dictionary: dict):
         if JSON_MD5_CHECKSUM not in dictionary.keys():
-            raise ValueError  # TODO
+            raise NotImplementedError
         else:
             self._md5_checksum = dictionary[JSON_MD5_CHECKSUM]