diff --git a/Makefile b/Makefile
index 077e18a..9f5987c 100644
--- a/Makefile
+++ b/Makefile
@@ -9,8 +9,8 @@
 TODAY           = $(shell date +"%Y-%m-%dT%H:%M:%S.%N%:z")
 PPREFIX		= $(shell pwd)
 BASE_DIR        = $(shell echo $${PWD\#\#*/})
-TEST_TAG        = # Define the rc<version>
-PACKAGE_DIR     = $(BASE_DIR)-$(VERSION)$(TEST_TAG)
+PR_TAG        = # Define the rc<version>
+PACKAGE_DIR     = $(BASE_DIR)-$(VERSION)$(PR_TAG)
 APP_NAME        = sunrisesunset
 DOCS		= $(PREFIX)/docs
 RM_REGEX        = '(^.*.pyc$$)|(^.*.wsgic$$)|(^.*~$$)|(.*\#$$)|(^.*,cover$$)'
@@ -44,8 +44,8 @@ sphinx	: clean
 # To add a pre-release candidate such as 'rc1' to a test package name an
 # environment variable needs to be set that setup.py can read.
 #
-# make build TEST_TAG=rc1
-# make upload-test TEST_TAG=rc1
+# make build PR_TAG=rc1
+# make upload-test PR_TAG=rc1
 #
 # The tarball could then be named sunrisesunset-2.0.0rc1.tar.gz
 #
diff --git a/README.rst b/README.rst
index ef1bae2..d603cb8 100644
--- a/README.rst
+++ b/README.rst
@@ -93,5 +93,5 @@ month, and day needs to be entered.
           Sunset: 2023-12-16 19:00:39.782789-05:00
         Is night: False
 
-    Test 24 hours
+    Test 24 hours for every 20 minutes.
     ...
diff --git a/include.mk b/include.mk
index 0ee4d60..dbcb1cb 100644
--- a/include.mk
+++ b/include.mk
@@ -5,5 +5,5 @@
 # Django Dynamic Column version info.
 MAJORVERSION	= 1
 MINORVERSION	= 0
-PATCHLEVEL	= 1
+PATCHLEVEL	= 2
 VERSION		= ${MAJORVERSION}.${MINORVERSION}.${PATCHLEVEL}
diff --git a/setup.py b/setup.py
index 3e3b7a0..fefec26 100644
--- a/setup.py
+++ b/setup.py
@@ -1,9 +1,15 @@
 # -*- coding: utf-8 -*-
+"""
+Setup a pip environment.
+"""
+__docformat__ = "restructuredtext en"
 
 import os
 import re
 from setuptools import setup
 
+filepath = os.path.dirname(__file__)
+
 def version():
     """
     Find the version.
@@ -13,7 +19,7 @@ def version():
     """
     regex = r'(?m)(^{}[\s]*=[\s]*(?P<ver>\d*)$)'
 
-    with open(os.path.join(os.path.dirname(__file__), 'include.mk')) as f:
+    with open(os.path.join(filepath, 'include.mk')) as f:
         ver = f.read()
 
     major = re.search(regex.format('MAJORVERSION'), ver).group('ver')
@@ -23,7 +29,9 @@ def version():
     env_value = os.environ.get('PR_TAG', '')
     return f"{major}.{minor}.{patch}{env_value}"
 
-with open(os.path.join(os.path.dirname(__file__), 'README.rst')) as readme:
+filename = os.path.join(filepath, 'README.rst')
+
+with open(filename, mode='r', encoding='UTF-8') as readme:
     README = readme.read()
 
 # Allow setup.py to be run from any path.
diff --git a/sunrisesunset/__init__.py b/sunrisesunset/__init__.py
index 3f53189..7e7e008 100644
--- a/sunrisesunset/__init__.py
+++ b/sunrisesunset/__init__.py
@@ -2,6 +2,10 @@
 #
 # sunrisesunset/__init__.py
 #
+"""
+Alow the import of SunriseSunset without having to import the actual file.
+"""
+__docformat__ = "restructuredtext en"
 
 from .sunrisesunset import SunriseSunset
 
diff --git a/sunrisesunset/sunrisesunset.py b/sunrisesunset/sunrisesunset.py
index 390f8b0..7cff1c0 100644
--- a/sunrisesunset/sunrisesunset.py
+++ b/sunrisesunset/sunrisesunset.py
@@ -2,18 +2,20 @@
 #
 # sunrisesunset.py
 #
-# This code is valid for dates from 1901 to 2099, and will not calculate
-# sunrise/sunset times for latitudes above/below 63/-63 degrees.
-#
-# No external packages are used when using the class SunriseSunset. If you
-# run the tests you will need to install pytz as shown below or use your
-# package installer if it's available.
-#
-#----------------------------------
-#
-# Contributions by:
-#    Darryl Smith -- Noticed a bug with atan fixed with atan2.
-#
+"""
+This code is valid for dates from 1901 to 2099, and will not calculate
+sunrise/sunset times for latitudes above/below 63/-63 degrees.
+
+No external packages are used when using the class SunriseSunset. If you
+run the tests you will need to install pytz, geopy, and timezonefinder as
+shown below or use your package installer if it's available.
+----------------------------------
+
+Contributions by:
+   Darryl Smith -- Noticed a bug with atan fixed with atan2.
+"""
+__docformat__ = "restructuredtext en"
+
 
 import datetime
 from math import degrees, radians, atan2, cos, sin, pi, sqrt, fabs
@@ -270,11 +272,12 @@ def __get_rise_set(date, lat=35.9513, lon=-83.9142, zenith='official'):
 
             # Get sunrise sunset for every hour of the day using the
             # default zenith.
-            print("\nTest 24 hours")
+            minutes = 20
+            print(f"\nTest 24 hours for every {minutes} minutes.")
 
             for hour in range(24):
                 # Every 20 minutes for an hour.
-                for minute in range(0, 60, 20):
+                for minute in range(0, 60, minutes):
                     date = dt.replace(hour=hour, minute=minute,
                                       second=0, microsecond=0)
                     __get_rise_set(date, lat=lat, lon=lon)