What steps will reproduce the problem?

1. Reproduce the example in project home page :

import matplotlib.pyplot as plt
import ueye
a=ueye.Cam()     # Get the first available cam
b=a.GrabImage()  # Grab an image
plt.figure()
plt.imshow(b)


What is the expected output? What do you see instead?

Problem with import ids_core

Traceback (most recent call last):

  File "<ipython-input-2-b8ec0dad7793>", line 1, in <module>
    import ueye

  File "ueye.py", line 8, in <module>
    import ids

  File "/usr/local/lib/python2.7/dist-packages/ids.py", line 27, in <module>
    import ids_core

ImportError: /usr/local/lib/python2.7/dist-packages/ids_core.so: undefined 
symbol: is_ImageFile



What version of the product are you using? On what operating system?

- Python 2.7.6
- pyueye: Software for uEye_Linux (64Bit) version 3.5 to 3.7
- uEye 3.50 drivers - Linux 64-bit
- Ubuntu Linux 3.13.0-55-generic



Please provide any additional information below.