PyCharm“没有名为 sys 的模块”

Question

Using PyCharm community edition and Python 2.7,

import traceback
import sys

No problem on the first line, which implies that I have pointed PyCharm correctly at the interpreter. However, I get "no module named sys" at the second line (which is strange, as sys is a builtin - if you can find the interpreter, you have found sys).

Any ideas?

---

[Update] to the commentators so far, thanks.

The IDE does not offer sys for auto-complete after import sy .

When I start the interpreter which the IDE uses form the command line, then import sys works.

Answer 1

I have had this issue with PyCharm before. I find that reloading the interpreter fixes the issue.

File -> Settings -> Project -> Project Interpreter

Remove the interpreter and add it again.

Answer 2

Make sure you've chosen the right Interpreter path and check some other run settings. Go to Run > Edit Configurations... and check, if some configurations seem to be wrong.

EDIT: Under Linux, you have often Python 2 and 3 installed, be sure to pick the correct one.

Answer 3

I had this problem as well and was completely stymied until I tried the following:

File -> 
Default Settings -> 
Project Interpreter
  dropdown (click the arrow) ->
Show All ->
  select your interpreter ->
Show Paths
  (bottom icon on right) ->
Add Path ->
  Enter path to libraries
  (in my case this was c:\Python35\Lib).

Answer 4

我遇到了这个问题，我通过更新文件 -> 默认设置 -> 项目解释器下的默认项目设置，然后在项目解释器的下拉列表中，选择与运行配置使用的解释器相同的解释器（在我的情况下为 python 3.6)

Answer 5

I don't know why, but PyCharm is reproving that it can't find quite a few modules, while being fine on others.

Despite that, it will run the code, so I will just live with the problem as I will be upgarding to Python 3.x shortly and hope that this minor inconvenience will disappear then.

Answer 6

PyCharm has virtual Enviroment and System Interpreter. Select system interpreter

Answer 7

We actually no need of having "import sys" in pycharm. You can find this in 'os' module.

For example,

import os

Sys = os.sys

print("say , Good Bye")


Sys.exit(0)

print("Sorry, i am not exited")

I hope it will work.

Answer 8

Maybe you're updating your PYTHONPATH variable in your .bashrc file? It started working on, after comment PATH PATH in bash_profile.

Answer 9

File -> Settings -> Project: (your_project_name) -> Project Interpreter -> press the + symbol -> search for 'system' and install package.

This solved the problem for me.