DX export fails with AttributeError for my data

[David Platten]

File "D:\code\python\openrem\openrem\remapp\exports\export_common.py", line 435, in get_xray_filter_info
if u'Aluminum' in str(current_filter.xray_filter_material.code_meaning):
AttributeError: 'NoneType' object has no attribute 'code_meaning'

[David Platten]

Added AttributeError catch to prevent export failure when filter data is not present. References issue #791

→ <<cset 209ffa0d501f>>

[Ed McDonagh]

Merged in issue791dxExportFailsAttributeError (pull request #338)

Added AttributeError catch to prevent export failure when filter data is not present. Fixes issue #791

Approved-by: Ed McDonagh

→ <<cset ff6eac71d131>>