fix evaluator peek
@@ -6,7 +6,7 @@ import matplotlib.pyplot as plt
from astropy.coordinates.angle_utilities import angular_separation
from astropy.utils import lazyproperty
from regions import CircleSkyRegion
-from gammapy.maps import Map
+from gammapy.maps import Map, WcsNDMap, HpxNDMap, RegionNDMap
from gammapy.modeling.models import PointSpatialModel, TemplateNPredModel
PSF_CONTAINMENT = 0.999
