diff --git a/norminette/errors.py b/norminette/errors.py
new file mode 100644
index 0000000..0038a37
--- /dev/null
+++ b/norminette/errors.py
@@ -0,0 +1,36 @@
+from functools import cmp_to_key
+from typing import Union, Literal
+
+from norminette.norm_error import NormError, NormWarning
+
+
+def sort_errs(a, b):
+    if a.col == b.col and a.line == b.line:
+        return 1 if a.errno > b.errno else -1
+    return a.col - b.col if a.line == b.line else a.line - b.line
+
+
+class Errors:
+    __slots__ = "_inner"
+
+    def __init__(self) -> None:
+        self._inner = []
+
+    def __len__(self) -> int:
+        return len(self._inner)
+
+    def __iter__(self):
+        self._inner.sort(key=cmp_to_key(sort_errs))
+        return iter(self._inner)
+
+    @property
+    def status(self) -> Literal["OK", "Error"]:
+        if not self:
+            return "OK"
+        if all(isinstance(it, NormWarning) for it in self):
+            return "OK"
+        return "Error"
+
+    def append(self, value: Union[NormError, NormWarning]) -> None:
+        assert isinstance(value, (NormError, NormWarning))
+        self._inner.append(value)
diff --git a/norminette/file.py b/norminette/file.py
index 5d12be2..ac44a11 100644
--- a/norminette/file.py
+++ b/norminette/file.py
@@ -1,40 +1,7 @@
 import os
-from functools import cmp_to_key
-from typing import Optional, Union, Literal
+from typing import Optional
 
-from norminette.norm_error import NormError, NormWarning
-
-
-def sort_errs(a, b):
-    if a.col == b.col and a.line == b.line:
-        return 1 if a.errno > b.errno else -1
-    return a.col - b.col if a.line == b.line else a.line - b.line
-
-
-class Errors:
-    __slots__ = "_inner"
-
-    def __init__(self) -> None:
-        self._inner = []
-
-    def __len__(self) -> int:
-        return len(self._inner)
-
-    def __iter__(self):
-        self._inner.sort(key=cmp_to_key(sort_errs))
-        return iter(self._inner)
-
-    @property
-    def status(self) -> Literal["OK", "Error"]:
-        if not self:
-            return "OK"
-        if all(isinstance(it, NormWarning) for it in self):
-            return "OK"
-        return "Error"
-
-    def append(self, value: Union[NormError, NormWarning]) -> None:
-        assert isinstance(value, (NormError, NormWarning))
-        self._inner.append(value)
+from norminette.errors import Errors
 
 
 class File: