wgott fix for added constraints

Author: bgoli

setup.py

@@ -19,7 +19,7 @@
 
 Author: Brett G. Olivier
 Contact email: [email protected]
-Last edit: $Author: bgoli $ ($Id: setup.py 634 2017-11-06 10:25:37Z bgoli $)
+Last edit: $Author: bgoli $ ($Id: setup.py 638 2017-12-15 11:38:40Z bgoli $)
 
 """
 
@@ -44,7 +44,7 @@
 
 # release
 try:
-    STATUS = 'r'+'$Rev: 634 $'.replace('Rev: ','').replace('$','').strip()
+    STATUS = 'r'+'$Rev: 638 $'.replace('Rev: ','').replace('$','').strip()
 except:
     STATUS = 'beta'
 

src/CBGLPK.py

@@ -19,7 +19,7 @@
 
 Author: Brett G. Olivier
 Contact email: [email protected]
-Last edit: $Author: bgoli $ ($Id: CBGLPK.py 575 2017-04-13 12:18:44Z bgoli $)
+Last edit: $Author: bgoli $ ($Id: CBGLPK.py 645 2018-04-23 22:38:14Z bgoli $)
 
 """
 
@@ -164,7 +164,7 @@ def glpk_constructLPfromFBA(fba, fname=None):
             raise RuntimeError('INFO: invalid operator: %s' % fba.N.operators[n])
 
     # add user defined constraints
-    if fba.CM != None:
+    if fba.CM != None and fba.CM.shape[0] > 0:
         baseRows = len(lp.rows)
         lp.rows.add(CMmat.shape[0])
         for r_ in range(CMmat.shape[0]):