From f2f17eaf4145c9f34fb73d2e0fe32ae75c817dd4 Mon Sep 17 00:00:00 2001
From: Michal Handzlik <handzlik@scm.com>
Date: Wed, 27 Mar 2019 11:37:07 +0100
Subject: [PATCH] Fix stupid import bug #61

---
 recipes/cshadf.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/recipes/cshadf.py b/recipes/cshadf.py
index 2f03b9c3..584a7125 100644
--- a/recipes/cshadf.py
+++ b/recipes/cshadf.py
@@ -1,5 +1,4 @@
 import numpy as np
-from scm.csh import CSHessian
 
 from ..core.basejob import MultiJob
 from ..core.errors import JobError
@@ -7,9 +6,13 @@
 from ..interfaces.adfsuite.adf import ADFJob
 from ..tools.units import Units
 
-
 __all__ = ['CSHessianADFJob', 'CSHessianADFResults']
 
+try:
+    from scm.csh import CSHessian
+except ImportError:
+    __all__ = []
+
 
 class CSHessianADFResults(Results):
     def get_hessian(self):