IsADirectoryError: [Errno 21] Is a directory:の解決法

前提・実現したいこと

GoogleAnalyticsのAPIサンプルをpythonで実行しました。

発生している問題・エラーメッセージ

IsADirectoryError: [Errno 21] Is a directory:```

参考ソース

python
1"""A simple example of how to access the Google Analytics API."""
2
3from apiclient.discovery import build
4from oauth2client.service_account import ServiceAccountCredentials
5
6def get_service(api_name, api_version, scopes, key_file_location):
7    """Get a service that communicates to a Google API.
8
9    Args:
10        api_name: The name of the api to connect to.
11        api_version: The api version to connect to.
12        scopes: A list auth scopes to authorize for the application.
13        key_file_location: The path to a valid service account JSON key file.
14
15    Returns:
16        A service that is connected to the specified API.
17    """
18
19    credentials = ServiceAccountCredentials.from_json_keyfile_name(
20            key_file_location, scopes=scopes)
21
22    # Build the service object.
23    service = build(api_name, api_version, credentials=credentials)
24
25    return service
26
27def get_first_profile_id(service):
28    # Use the Analytics service object to get the first profile id.
29
30    # Get a list of all Google Analytics accounts for this user
31    accounts = service.management().accounts().list().execute()
32
33    if accounts.get('items'):
34        # Get the first Google Analytics account.
35        account = accounts.get('items')[0].get('id')
36
37        # Get a list of all the properties for the first account.
38        properties = service.management().webproperties().list(
39                accountId=account).execute()
40
41        if properties.get('items'):
42            # Get the first property id.
43            property = properties.get('items')[0].get('id')
44
45            # Get a list of all views (profiles) for the first property.
46            profiles = service.management().profiles().list(
47                    accountId=account,
48                    webPropertyId=property).execute()
49
50            if profiles.get('items'):
51                # return the first view (profile) id.
52                return profiles.get('items')[0].get('id')
53
54    return None
55
56def get_results(service, profile_id):
57    # Use the Analytics Service Object to query the Core Reporting API
58    # for the number of sessions within the past seven days.
59    return service.data().ga().get(
60            ids='ga:' + profile_id,
61            start_date='7daysAgo',
62            end_date='today',
63            metrics='ga:sessions').execute()
64
65def print_results(results):
66    # Print data nicely for the user.
67    if results:
68        print 'View (Profile):', results.get('profileInfo').get('profileName')
69        print 'Total Sessions:', results.get('rows')[0][0]
70
71    else:
72        print 'No results found'
73
74def main():
75    # Define the auth scopes to request.
76    scope = 'https://www.googleapis.com/auth/analytics.readonly'
77    key_file_location = '<REPLACE_WITH_JSON_FILE>'
78
79    # Authenticate and construct service.
80    service = get_service(
81            api_name='analytics',
82            api_version='v3',
83            scopes=[scope],
84            key_file_location=key_file_location)
85
86    profile_id = get_first_profile_id(service)
87    print_results(get_results(service, profile_id))
88
89if __name__ == '__main__':
90    main()```
91