--- a/src/pyams_apm/tween.py	Wed Feb 06 09:23:14 2019 +0100
+++ b/src/pyams_apm/tween.py	Mon Nov 25 13:39:35 2019 +0100
@@ -10,7 +10,11 @@
 # FOR A PARTICULAR PURPOSE.
 #
 
-__docformat__ = 'restructuredtext'
+"""PyAMS_apm.tween module
+
+This module provides a custom tween which is used to integrate the Pyramid application
+with APM, sending requests frames to the APM server.
+"""
 
 import sys
 
@@ -21,8 +25,11 @@
 from pyramid.compat import reraise
 from pyramid.settings import asbool
 
+__docformat__ = 'restructuredtext'
+
 
 def list_from_setting(config, setting):
+    """Split configuration setting"""
     value = config.get(setting)
     if not value:
         return None
@@ -30,6 +37,7 @@
 
 
 def get_data_from_request(request):
+    """Extract main APM data from request properties"""
     data = {
         "headers": dict(**request.headers),
         "method": request.method,
@@ -46,6 +54,7 @@
 
 
 def get_data_from_response(response):
+    """Extract APM data from response properties"""
     data = {"status_code": response.status_int}
     if response.headers:
         data["headers"] = {
@@ -55,7 +64,7 @@
     return data
 
 
-class elastic_apm_tween_factory(object):
+class elastic_apm_tween_factory:  # pylint: disable=invalid-name
     """Elasticsearch APM tween factory"""
 
     def __init__(self, handler, registry):
@@ -89,7 +98,7 @@
             transaction_result = response.status[0] + "xx"
             elasticapm.set_context(lambda: get_data_from_response(response), "response")
             return response
-        except Exception:
+        except Exception:  # pylint: disable=broad-except
             transaction_result = '5xx'
             self.client.capture_exception(
                 context={
@@ -107,6 +116,7 @@
                 view_name = ''
             transaction_name = request.matched_route.pattern if request.matched_route else view_name
             # prepend request method
-            transaction_name = " ".join((request.method, transaction_name)) if transaction_name else ""
+            transaction_name = " ".join((request.method, transaction_name)) \
+                if transaction_name else ""
             elasticapm.set_context(lambda: get_data_from_request(request), "request")
             self.client.end_transaction(transaction_name, transaction_result)