报错信息
_mssql.c:346:10: fatal error: 'sqlfront.h' file not found
#include "sqlfront.h"
^~~~~~~~~~~~
1 error generated.
error: command 'clang' failed with exit status 1
解决办法
```
brew unlink freetds
brew install freetds@0.91
brew link –force freetds@0.91
pip install pymssql
```