diff --git a/src/linkahead/__init__.py b/src/linkahead/__init__.py
index 567748e3b3a58fb73b91f652d82ed10f818d6014..ac8df123c66ee092801e63a427003fbb7478fc0c 100644
--- a/src/linkahead/__init__.py
+++ b/src/linkahead/__init__.py
@@ -55,7 +55,7 @@ from .utils.get_entity import (get_entity_by_id, get_entity_by_name,
                                get_entity_by_path)
 
 try:
-    from .version import version as __version__
+    from .version import version as __version__  # pylint: disable=import-error
 except ModuleNotFoundError:
     version = "uninstalled"
     __version__ = version
diff --git a/src/linkahead/connection/connection.py b/src/linkahead/connection/connection.py
index 74dd23177c548dd640c6dd1c03ce4069c366802b..fe99b421ee9d5bc3bc158af6b7f4882232db4d97 100644
--- a/src/linkahead/connection/connection.py
+++ b/src/linkahead/connection/connection.py
@@ -47,7 +47,7 @@ from ..exceptions import (ConfigurationError, HTTPClientError,
                           LoginFailedError)
 
 try:
-    from ..version import version
+    from ..version import version               # pylint: disable=import-error
 except ModuleNotFoundError:
     version = "uninstalled"
 
@@ -56,11 +56,12 @@ from .interface import CaosDBHTTPResponse, CaosDBServerConnection
 from .utils import make_uri_path, urlencode
 
 from typing import TYPE_CHECKING
+from .authentication.interface import CredentialsAuthenticator
 if TYPE_CHECKING:
     from typing import Optional, Any, Iterator, Union
     from requests.models import Response
-    from ssl import _SSLMethod
-    from .authentication.interface import AbstractAuthenticator, CredentialsAuthenticator
+    from ssl import _SSLMethod              # pylint: disable=no-name-in-module
+    from .authentication.interface import AbstractAuthenticator
 
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/src/linkahead/connection/encode.py b/src/linkahead/connection/encode.py
index a76197803c9652e2d0c4e32819ee3e3f97758bfc..0cbb0b69f0a7b50244eb54c8dea7ef43ae713894 100644
--- a/src/linkahead/connection/encode.py
+++ b/src/linkahead/connection/encode.py
@@ -384,7 +384,7 @@ class MultipartYielder(object):
 
     # since python 3
     def __next__(self):
-        return self.next()
+        return self.next()                     # pylint: disable=not-callable
 
     def next(self):
         """generator function to yield multipart/form-data representation of