Fix conversion of 'np.interp' to 'interp'

mrdna/RELEASE-VERSION

-1.0a.dev67
+1.0a.dev69

mrdna/model/spring_from_lp.py

@@ -13,7 +13,7 @@ _integral = _integrate( lambda t: np.cos(t[np.newaxis,:])*np.sin(t[np.newaxis,:]
 assert( (np.diff(_integral) <= 0).sum() == 0 )
 def k_angle(sep,Lp):
     val = np.exp(-sep/Lp)
-    return interp(val,_integral,_k) * 0.00030461742 # convert to degree^2
+    return np.interp(val,_integral,_k) * 0.00030461742 # convert to degree^2
 
 """ Twist! """
 from scipy.special import erf
@@ -23,7 +23,7 @@ with np.errstate(divide='ignore',invalid='ignore'):
 def k_twist(sep,Lp,temperature=295):
     kT = temperature * 0.0019872065 # kcal/mol
     val = np.exp(-sep/Lp)
-    return interp(val,_integral_twist,_k_twist) * 2 * kT * 0.00030461742 # convert to degree^2
+    return np.interp(val,_integral_twist,_k_twist) * 2 * kT * 0.00030461742 # convert to degree^2
 
 def _TEST_get_spring_constant():