style: lint files with flake8

Author: Mukundan314

codeforces/__init__.py

@@ -1,3 +1,8 @@
-from . import error
+"""
+Codeforces API wrapper for python
+"""
 from . import api
+from . import error
 from . import problem
+
+__all__ = ['error', 'api', 'problem']

codeforces/api.py

@@ -1,6 +1,4 @@
-"""
-Functions to call the codeforces api
-"""
+"""Functions to call the codeforces api."""
 import hashlib
 import json
 import os
@@ -18,7 +16,7 @@
 CODEFORCES_API_URL = "https://codeforces.com/api/"
 
 
-def __generate_api_sig(method, args, secret):
+def generate_api_sig(method, args, secret):
     rand = "%06d" % random.randint(0, 999999)
     url_args = urllib.parse.urlencode(sorted(args.items()))
     return rand + hashlib.sha512(
@@ -28,7 +26,7 @@ def __generate_api_sig(method, args, secret):
 
 def call(method, key=None, secret=None, **kwargs):
     """
-    Call a Codeforces API method
+    Call a Codeforces API method.
 
     Parameters
     ----------
@@ -46,13 +44,14 @@ def call(method, key=None, secret=None, **kwargs):
     -------
     any
         A python object containing the results of the api call.
+
     """
     args = kwargs.copy()
 
     if (key is not None) and (secret is not None):
         args['time'] = int(time.time())
         args['apiKey'] = key
-        args['apiSig'] = __generate_api_sig(method, args, secret)
+        args['apiSig'] = generate_api_sig(method, args, secret)
 
     url_args = urllib.parse.urlencode(args)
     url = os.path.join(CODEFORCES_API_URL, "%s?%s" % (method, url_args))

codeforces/problem.py

@@ -1,3 +1,4 @@
+"""Functions to info about a problem."""
 import os
 import urllib.error
 import urllib.request
@@ -33,8 +34,8 @@ def get_info(contest_id, index, lang='en'):
         Memory limit specification for the problem.
     sample_tests: zip
         Sample tests given for the problem.
-    """
 
+    """
     problem_url = os.path.join(
         CODEFORCES_URL,
         "contest/%d/problem/%s?lang=%s" % (contest_id, index, lang)

setup.py

@@ -24,7 +24,7 @@
     license='MIT',
     packages=find_packages(exclude=['docs']),
     install_requires=['bs4', 'colorama'],
-    extras_requires={ 'docs': ['sphinx', 'sphinx_rtd_theme'] },
+    extras_requires={'docs': ['sphinx', 'sphinx_rtd_theme']},
     scripts=['bin/cf-run'],
     python_requires='>=3.6,<4',
     project_urls={