fix iniparse

fix code passing ruff linter
pre-commit ruff
pre-commit ruff format

libtisbackup/iniparse/utils.py

@@ -1,8 +1,13 @@
+from typing import TYPE_CHECKING, List
+
 from . import compat
 from .ini import EmptyLine, LineContainer
 
+if TYPE_CHECKING:
+    from .ini import LineType
 
-def tidy(cfg):
+
+def tidy(cfg: compat.RawConfigParser):
     """Clean up blank lines.
 
     This functions makes the configuration look clean and
@@ -19,8 +24,7 @@ def tidy(cfg):
         if isinstance(cont[i], LineContainer):
             tidy_section(cont[i])
             i += 1
-        elif (isinstance(cont[i-1], EmptyLine) and
-              isinstance(cont[i], EmptyLine)):
+        elif isinstance(cont[i - 1], EmptyLine) and isinstance(cont[i], EmptyLine):
             del cont[i]
         else:
             i += 1
@@ -34,11 +38,11 @@ def tidy(cfg):
         cont.append(EmptyLine())
 
 
-def tidy_section(lc):
-    cont = lc.contents
-    i = 1
+def tidy_section(lc: "LineContainer"):
+    cont: List[LineType] = lc.contents
+    i: int = 1
     while i < len(cont):
-        if isinstance(cont[i-1], EmptyLine) and isinstance(cont[i], EmptyLine):
+        if isinstance(cont[i - 1], EmptyLine) and isinstance(cont[i], EmptyLine):
             del cont[i]
         else:
             i += 1