我已经安装了python版本3.7，并且尝试通过导入http.client模块来运行python程序，但是IDE显示警告，指出python 2.7版本没有模块http.client
import http.client
conn = http.client.HTTPConnection("www,google,com")
payload = "<atom:entry xmlns:atom=\"http://www.w3.org/2005/Atom\"\r\n xmlns:gd=\"http://schemas.google.com/g/2005\">\r\n <atom:category scheme=\"http://schemas.google.com/g/2005#kind\"\r\n term=\"http://schemas.google.com/contact/2008#contact\"/>\r\n <gd:name>\r\n <gd:givenName>Elizabeth</gd:givenName>\r\n <gd:familyName>Bennet</gd:familyName>\r\n <gd:fullName>Elizabeth Bennet</gd:fullName>\r\n </gd:name>\r\n <atom:content type=\"text\">Notes</atom:content>\r\n <gd:email rel=\"http://schemas.google.com/g/2005#work\"\r\n primary=\"true\"\r\n address=\"liz@gmail.com\" displayName=\"E. Bennet\"/>\r\n <gd:email rel=\"http://schemas.google.com/g/2005#home\"\r\n address=\"liz@example.org\"/>\r\n <gd:phoneNumber rel=\"http://schemas.google.com/g/2005#work\"\r\n primary=\"true\">\r\n (206)555-1212\r\n </gd:phoneNumber>\r\n <gd:phoneNumber rel=\"http://schemas.google.com/g/2005#home\">\r\n (206)555-1213\r\n </gd:phoneNumber>\r\n</atom:entry>"
headers = {
'Content-Type': "text/xml",
'Authorization': "Bearer ya29.GlvfBn2_hfj3pGo2ynUXORjaXed6j4GpoogZzcoQE6JLWHFlrG84I6FDjbbWRRjniM4XHAQiYddbiUUpSVDMLDNIzrasJUu9Kt59gZzfrv6XcLok6iATmP5jSwXk",
'cache-control': "no-cache",
'Postman-Token': "5b55e4ca-2c6e-4e87-8615-e76c659d4f24"
}
conn.request("POST", "m8,feeds,contacts,default,full", payload, headers)
res = conn.getresponse()
data = res.read()
print(data.decode("utf-8"))