#coding=utf-8
import requests
import json
url = 'http://192.168.1.7:4444/wd/hub/session/'
data = json.dumps({
‘Capabilities’:{
‘browserName’:‘chrome’
}
})
print(requests.post(url,data).json())

老师您好，麻烦老师帮忙看一下，我这个为什么会报错，是我哪里写错了吗？报错信息如下
DevTools listening on ws://127.0.0.1:52104/devtools/browser/53ff23b2-2b74-4c71-9cb4-0505ec37f9dd
PS C:\Users\冯宝东\Desktop> & python c:/Users/冯宝东/Desktop/requests_open_browser.py{‘value’: {‘stacktrace’: ‘org.openqa.selenium.SessionNotCreatedException: Unable to create session from {\n “desiredCapabilities”: {\n },\n “capabilities”: {\n “firstMatch”: [\n ]\n },\n “Capabilities”: {\n “browserName”: “chrome”\n }\n}\nBuild info: version: ‘3.141.59’, revision: ‘e82be7d358’, time: ‘2018-11-14T08:25:53’\nSystem info: host: ‘DESKTOP-GUDHB8B’, ip: ‘192.168.1.7’, os.name: ‘Windows 10’, os.arch: ‘amd64’, os.version: ‘10.0’, java.version: ‘1.8.0_91’\nDriver info: driver.version: unknown\r\n\tat org.openqa.selenium.remote.server.NewSessionPipeline.lambda$nullKaTeX parse error: Can't use function '\r' in math mode at position 30: …peline.java:76)\̲r̲\n\tat java.uti…createNewSessionKaTeX parse error: Can't use function '\r' in math mode at position 30: …peline.java:75)\̲r̲\n\tat java.uti…handleKaTeX parse error: Can't use function '\r' in math mode at position 29: …rvlet.java:235)\̲r̲\n\tat java.uti…RunnableAdapter.call(Unknown Source)\r\n\tat java.util.concurrent.FutureTask.run(Unknown Source)\r\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)\r\n\tat java.util.concurrent.ThreadPoolExecutorKaTeX parse error: Can't use function '\r' in math mode at position 27: …Unknown Source)\̲r̲\n\tat java.lan…KaTeX parse error: Expected 'EOF', got '}' at position 90: …lineNumber': 76}̲, {'fileName': …createNewSessionKaTeX parse error: Expected 'EOF', got '}' at position 90: …lineNumber': 75}̲, {'fileName': …handleKaTeX parse error: Expected 'EOF', got '}' at position 89: …ineNumber': 235}̲, {'fileName': …RunnableAdapter’, ‘lineNumber’: -1}, {‘fileNamcall’, ‘className’: ‘java.util.concurrent.ExecutorsKaTeX parse error: Expected 'EOF', got '}' at position 44: …lineNumber': -1}̲, {'fileName':a…Worker’, ‘lineNumberer’: -1}, {‘fileName’: None, ‘methodName’: ‘runWorker’, ‘classjava.lang.Thread’, ‘lineNumber’: -1}], ‘message’:Name’: ‘java.util.concurrent.ThreadPoolExecutor’, ‘lineNumber’n },\n “capabilities”: {\n “firstMatch”: [\n: -1}, {‘fileName’: None, ‘methodName’: ‘run’, ‘className’: ‘jn }\n}\nBuild info: version: ‘3.141.59’, revisava.util.concurrent.ThreadPoolExecutorKaTeX parse error: Can't use function '\'' in math mode at position 33: …ber': o: host: \̲'̲DESKTOP-GUDHB8B…KaTeX parse error: Can't use function '\r' in math mode at position 30: …peline.java:76)\̲r̲\n\tat java.uti…createNewSessionKaTeX parse error: Can't use function '\r' in math mode at position 30: …peline.java:75)\̲r̲\n\tat java.uti…handleKaTeX parse error: Can't use function '\r' in math mode at position 29: …rvlet.java:235)\̲r̲\n\tat java.uti…RunnableAdapter.call(Unknown Source)\r\n\tat java.util.concurrent.FutureTask.run(Unknown Source)\r\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)\r\n\tat java.util.concurrent.ThreadPoolExecutorKaTeX parse error: Can't use function '\r' in math mode at position 27: …Unknown Source)\̲r̲\n\tat java.lan…KaTeX parse error: Expected 'EOF', got '}' at position 90: …lineNumber': 76}̲, {'fileName': …createNewSessionKaTeX parse error: Expected 'EOF', got '}' at position 90: …lineNumber': 75}̲, {'fileName': …handleKaTeX parse error: Expected 'EOF', got '}' at position 89: …ineNumber': 235}̲, {'fileName': …RunnableAdapter’, ‘lineNumber’: -1}, {‘fileNamcall’, ‘className’: ‘java.util.concurrent.ExecutorsKaTeX parse error: Expected 'EOF', got '}' at position 44: …lineNumber': -1}̲, {'fileName':a…Worker’, ‘lineNumberer’: -1}, {‘fileName’: None, ‘methodName’: ‘runWorker’, ‘classjava.lang.Thread’, ‘lineNumber’: -1}], ‘message’:Name’: ‘java.util.concurrent.ThreadPoolExecutor’, 'lineNumber’n },\n “capabilities”: {\n “firstMatch”: [\n: -1}, {‘fileName’: None, ‘methodName’: ‘run’, ‘className’: ‘jn }\n}\nBuild info: version: ‘3.141.59’, revisava.util.concurrent.ThreadPoolExecutor$Worker’, ‘lineNumber’: o: host: ‘DESKTOP-GUDHB8B’, ip: ‘192.168.1.7’-1}, {‘fileName’: None, ‘methodName’: ‘run’, ‘className’: ‘java.lang.Thread’, ‘lineNumber’: -1}], ‘message’: ‘Unable to create session from {\n “desiredCapabilities”: {\n },\n “capabilities”: {\n “firstMatch”: [\n ]\n },\n “Capabilities”: {\n “browserName”: “chrome”\n }\n}\nBuild info: version: ‘3.141.59’, revision: ‘e82be7d358’, time: ‘2018-11-14T08:25:53’\nSystem info: host: ‘DESKTOP-GUDHB8B’, ip: ‘192.168.1.7’, os.name: ‘Windows 10’, os.arch: ‘amd64’, os.version: ‘10.0’, java.version: ‘1.8.0_91’\nDriver info: driver.version: unknown’, ‘error’: ‘session not created’}, ‘status’: 33}在这里输入代码