How do I resolve this curl-related error?

please tell me the solution

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "build/bdist.linux-x86_64/egg/pycurl.py", line 7, in <module>
  File "build/bdist.linux-x86_64/egg/开发者_Python百科pycurl.py", line 6, in __bootstrap__
ImportError: libcurl.so.4: cannot open shared object file: No such file or directory

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You're trying to invoke the cURL library, but you don't have curl installed (or it's not installed properly). It looks like you're running Linux, so simply install the appropriate package (for instance, sudo apt-get install curl if you're on Ubuntu).