Can't `@pyimport ssl`

Fresh install of `PyCall` with `ENV[PYTHON]=""`.

```
julia> using PyCall
INFO: Recompiling stale cache file /home/ubuntu/.julia/lib/v0.5/PyCall.ji for module PyCall.
julia> @pyimport ssl
ERROR: PyError (:PyImport_ImportModule)
ImportError('/home/ubuntu/.julia/v0.5/Conda/deps/usr/lib/python2.7/lib-dynload/_ssl.so: undefined symbol: SSLv2_method',)
File "/home/ubuntu/.julia/v0.5/Conda/deps/usr/lib/python2.7/ssl.py", line 97, in
import _ssl # if we can't import it, let the error propagate

in pyerr_check at /home/ubuntu/.julia/v0.5/PyCall/src/exception.jl:56 [inlined]
in pyerr_check at /home/ubuntu/.julia/v0.5/PyCall/src/exception.jl:61 [inlined]
in macro expansion at /home/ubuntu/.julia/v0.5/PyCall/src/exception.jl:81 [inlined]
in pyimport(::String) at /home/ubuntu/.julia/v0.5/PyCall/src/PyCall.jl:387

```

By the conda python works fine:

```
bash> ~/.julia/v0.5/Conda/deps/usr/bin/python -c 'import ssl; print(ssl.__file__)'
/home/ubuntu/.julia/v0.5/Conda/deps/usr/lib/python2.7/ssl.pyc
```

I know there is a resolution to this, because I have dealt with it before, several times.
But I can not recall what it is.

It is environment dependent.
Because I know this does not occur on Travis

My short term solution, which seems to work, is to just use the system python.