diff --git a/.github/workflows/python-check.yml b/.github/workflows/python-check.yml
index 813ebd7..53a37b0 100644
--- a/.github/workflows/python-check.yml
+++ b/.github/workflows/python-check.yml
@@ -34,9 +34,9 @@ jobs:
     - name: Type check with mypy
       run: |
         mypy pyhon/
-    # - name: Analysing the code with pylint
-    #   run: |
-    #     pylint --max-line-length 88 $(git ls-files '*.py')
+    - name: Analysing the code with pylint
+      run: |
+        pylint  $(git ls-files '*.py')
     - name: Check black style
       run: |
         black . --check
diff --git a/.pylintrc b/.pylintrc
new file mode 100644
index 0000000..f350fd7
--- /dev/null
+++ b/.pylintrc
@@ -0,0 +1,7 @@
+[MESSAGES CONTROL]
+
+disable=C,R
+
+[FORMAT]
+
+max-line-length=88
diff --git a/pyhon/__main__.py b/pyhon/__main__.py
index ea529c0..c6460f5 100755
--- a/pyhon/__main__.py
+++ b/pyhon/__main__.py
@@ -30,13 +30,13 @@ def get_arguments() -> Dict[str, Any]:
     export.add_argument("--zip", help="create zip archive", action="store_true")
     export.add_argument("--anonymous", help="anonymize data", action="store_true")
     export.add_argument("directory", nargs="?", default=Path().cwd())
-    translate = subparser.add_parser(
+    translation = subparser.add_parser(
         "translate", help="print available translation keys"
     )
-    translate.add_argument(
+    translation.add_argument(
         "translate", help="language (de, en, fr...)", metavar="LANGUAGE"
     )
-    translate.add_argument("--json", help="print as json", action="store_true")
+    translation.add_argument("--json", help="print as json", action="store_true")
     parser.add_argument(
         "-i", "--import", help="import pyhon data", nargs="?", default=Path().cwd()
     )
diff --git a/pyhon/appliances/ov.py b/pyhon/appliances/ov.py
index 77478cf..9ebbb87 100644
--- a/pyhon/appliances/ov.py
+++ b/pyhon/appliances/ov.py
@@ -1,7 +1,6 @@
 from typing import Any, Dict
 
 from pyhon.appliances.base import ApplianceBase
-from pyhon.parameter.program import HonParameterProgram
 
 
 class Appliance(ApplianceBase):
diff --git a/pyhon/command_loader.py b/pyhon/command_loader.py
index 578fa57..127dd08 100644
--- a/pyhon/command_loader.py
+++ b/pyhon/command_loader.py
@@ -1,14 +1,15 @@
 import asyncio
 from contextlib import suppress
 from copy import copy
-from typing import Dict, Any, Optional, TYPE_CHECKING, List, Collection
+from typing import Dict, Any, Optional, TYPE_CHECKING, List
 
 from pyhon.commands import HonCommand
+from pyhon.exceptions import NoAuthenticationException
 from pyhon.parameter.fixed import HonParameterFixed
 from pyhon.parameter.program import HonParameterProgram
 
 if TYPE_CHECKING:
-    from pyhon import HonAPI, exceptions
+    from pyhon import HonAPI
     from pyhon.appliance import HonAppliance
 
 
@@ -29,7 +30,7 @@ class HonCommandLoader:
     def api(self) -> "HonAPI":
         """api connection object"""
         if self._api is None:
-            raise exceptions.NoAuthenticationException("Missing hOn login")
+            raise NoAuthenticationException("Missing hOn login")
         return self._api
 
     @property
diff --git a/pyhon/commands.py b/pyhon/commands.py
index d76c897..70dc74d 100644
--- a/pyhon/commands.py
+++ b/pyhon/commands.py
@@ -170,6 +170,6 @@ class HonCommand:
                     result[name] = parameter
         return result
 
-    def reset(self):
+    def reset(self) -> None:
         for parameter in self._parameters.values():
             parameter.reset()
diff --git a/pyhon/connection/device.py b/pyhon/connection/device.py
index 6d680c0..730ef72 100644
--- a/pyhon/connection/device.py
+++ b/pyhon/connection/device.py
@@ -21,7 +21,7 @@ class HonDevice:
         return self._os_version
 
     @property
-    def os(self) -> str:
+    def os_type(self) -> str:
         return self._os
 
     @property
@@ -36,7 +36,7 @@ class HonDevice:
         result: Dict[str, str | int] = {
             "appVersion": self.app_version,
             "mobileId": self.mobile_id,
-            "os": self.os,
+            "os": self.os_type,
             "osVersion": self.os_version,
             "deviceModel": self.device_model,
         }
diff --git a/pyhon/connection/handler/base.py b/pyhon/connection/handler/base.py
index efba820..f06053e 100644
--- a/pyhon/connection/handler/base.py
+++ b/pyhon/connection/handler/base.py
@@ -1,8 +1,8 @@
 import logging
 from collections.abc import AsyncIterator
-from contextlib import asynccontextmanager
+from contextlib import asynccontextmanager, _AsyncGeneratorContextManager
 from types import TracebackType
-from typing import Optional, Dict, Type, Any, Protocol
+from typing import Optional, Dict, Type, Any, Callable, Coroutine, AsyncGenerator
 
 import aiohttp
 from typing_extensions import Self
@@ -47,10 +47,11 @@ class ConnectionHandler:
         return self
 
     @asynccontextmanager
-    def _intercept(
+    async def _intercept(
         self, method: Callback, url: str | URL, *args: Any, **kwargs: Dict[str, Any]
     ) -> AsyncIterator[aiohttp.ClientResponse]:
-        raise NotImplementedError
+        async with method(url, *args, **kwargs) as response:
+            yield response
 
     @asynccontextmanager
     async def get(
diff --git a/pyhon/connection/handler/hon.py b/pyhon/connection/handler/hon.py
index 5b7692f..8fbeca9 100644
--- a/pyhon/connection/handler/hon.py
+++ b/pyhon/connection/handler/hon.py
@@ -95,11 +95,11 @@ class HonConnectionHandler(ConnectionHandler):
                 try:
                     await response.json()
                     yield response
-                except json.JSONDecodeError:
+                except json.JSONDecodeError as exc:
                     _LOGGER.warning(
                         "%s - JsonDecodeError %s - %s",
                         response.request_info.url,
                         response.status,
                         await response.text(),
                     )
-                    raise HonAuthenticationError("Decode Error")
+                    raise HonAuthenticationError("Decode Error") from exc
diff --git a/pyhon/parameter/base.py b/pyhon/parameter/base.py
index 397b9f0..4d70051 100644
--- a/pyhon/parameter/base.py
+++ b/pyhon/parameter/base.py
@@ -18,7 +18,7 @@ class HonParameter:
         ] = {}
         self._set_attributes()
 
-    def _set_attributes(self):
+    def _set_attributes(self) -> None:
         self._category = self._attributes.get("category", "")
         self._typology = self._attributes.get("typology", "")
         self._mandatory = self._attributes.get("mandatory", 0)
@@ -61,7 +61,7 @@ class HonParameter:
         return self._group
 
     def add_trigger(
-            self, value: str, func: Callable[["HonRule"], None], data: "HonRule"
+        self, value: str, func: Callable[["HonRule"], None], data: "HonRule"
     ) -> None:
         if self._value == value:
             func(data)
@@ -93,5 +93,5 @@ class HonParameter:
 
         return result
 
-    def reset(self):
+    def reset(self) -> None:
         self._set_attributes()
diff --git a/pyhon/parameter/enum.py b/pyhon/parameter/enum.py
index 45309f0..2d49b7c 100644
--- a/pyhon/parameter/enum.py
+++ b/pyhon/parameter/enum.py
@@ -10,18 +10,18 @@ def clean_value(value: str | float) -> str:
 class HonParameterEnum(HonParameter):
     def __init__(self, key: str, attributes: Dict[str, Any], group: str) -> None:
         super().__init__(key, attributes, group)
-        self._default = ""
-        self._value = ""
+        self._default: str | float = ""
+        self._value: str | float = ""
         self._values: List[str] = []
         self._set_attributes()
         if self._default and clean_value(self._default.strip("[]")) not in self.values:
             self._values.append(self._default)
 
-    def _set_attributes(self):
+    def _set_attributes(self) -> None:
         super()._set_attributes()
-        self._default = self._attributes.get("defaultValue")
+        self._default = self._attributes.get("defaultValue", "")
         self._value = self._default or "0"
-        self._values: List[str] = self._attributes.get("enumValues", [])
+        self._values = self._attributes.get("enumValues", [])
 
     def __repr__(self) -> str:
         return f"{self.__class__} (<{self.key}> {self.values})"
diff --git a/pyhon/parameter/fixed.py b/pyhon/parameter/fixed.py
index a17df93..125ecd2 100644
--- a/pyhon/parameter/fixed.py
+++ b/pyhon/parameter/fixed.py
@@ -6,12 +6,12 @@ from pyhon.parameter.base import HonParameter
 class HonParameterFixed(HonParameter):
     def __init__(self, key: str, attributes: Dict[str, Any], group: str) -> None:
         super().__init__(key, attributes, group)
-        self._value = None
+        self._value: str | float = ""
         self._set_attributes()
 
-    def _set_attributes(self):
+    def _set_attributes(self) -> None:
         super()._set_attributes()
-        self._value = self._attributes.get("fixedValue", None)
+        self._value = self._attributes.get("fixedValue", "")
 
     def __repr__(self) -> str:
         return f"{self.__class__} (<{self.key}> fixed)"
diff --git a/pyhon/parameter/program.py b/pyhon/parameter/program.py
index 2925bd2..4ed2004 100644
--- a/pyhon/parameter/program.py
+++ b/pyhon/parameter/program.py
@@ -37,7 +37,7 @@ class HonParameterProgram(HonParameterEnum):
 
     @values.setter
     def values(self, values: List[str]) -> None:
-        return
+        raise ValueError("Cant set values {values}")
 
     @property
     def ids(self) -> Dict[int, str]:
diff --git a/pyhon/parameter/range.py b/pyhon/parameter/range.py
index ef0f58a..c51642c 100644
--- a/pyhon/parameter/range.py
+++ b/pyhon/parameter/range.py
@@ -14,13 +14,13 @@ class HonParameterRange(HonParameter):
         self._value: float = 0
         self._set_attributes()
 
-    def _set_attributes(self):
+    def _set_attributes(self) -> None:
         super()._set_attributes()
-        self._min: float = str_to_float(self._attributes["minimumValue"])
-        self._max: float = str_to_float(self._attributes["maximumValue"])
-        self._step: float = str_to_float(self._attributes["incrementValue"])
-        self._default: float = str_to_float(self._attributes.get("defaultValue", self.min))
-        self._value: float = self._default
+        self._min = str_to_float(self._attributes["minimumValue"])
+        self._max = str_to_float(self._attributes["maximumValue"])
+        self._step = str_to_float(self._attributes["incrementValue"])
+        self._default = str_to_float(self._attributes.get("defaultValue", self.min))
+        self._value = self._default
 
     def __repr__(self) -> str:
         return f"{self.__class__} (<{self.key}> [{self.min} - {self.max}])"
diff --git a/pyhon/typedefs.py b/pyhon/typedefs.py
index 2a22319..c6594e5 100644
--- a/pyhon/typedefs.py
+++ b/pyhon/typedefs.py
@@ -1,4 +1,4 @@
-from typing import Union, Any, TYPE_CHECKING, Protocol
+from typing import Union, Any, TYPE_CHECKING, Protocol, AsyncIterator, Coroutine
 
 import aiohttp
 from yarl import URL
diff --git a/setup.py b/setup.py
index 0b5a130..5ee66ab 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 from setuptools import setup, find_packages
 
-with open("README.md", "r") as f:
+with open("README.md", "r", encoding="utf-8") as f:
     long_description = f.read()
 
 setup(