Feature: Merge Expr and GenExpr

examples/finished/logical.py

@@ -21,7 +21,7 @@
 def printFunc(name, m):
     """prints results"""
     print("* %s *" % name)
-    objSet = bool(m.getObjective().terms.keys())
+    objSet = bool(m.getObjective().children.keys())
     print("* Is objective set? %s" % objSet)
     if objSet:
         print("* Sense: %s" % m.getObjectiveSense())

examples/tutorial/logical.py

@@ -24,7 +24,7 @@ def _init():
 def _optimize(name, m):
     m.optimize()
     print("* %s constraint *" % name)
-    objSet = bool(m.getObjective().terms.keys())
+    objSet = bool(m.getObjective().children.keys())
     print("* Is objective set? %s" % objSet)
     if objSet:
         print("* Sense: %s" % m.getObjectiveSense())

setup.py

@@ -126,7 +126,14 @@
 ]
 
 if use_cython:
-    extensions = cythonize(extensions, compiler_directives={"language_level": 3, "linetrace": compile_with_line_tracing})
+    extensions = cythonize(
+        extensions,
+        compiler_directives={
+            "binding": True,
+            "language_level": 3,
+            "linetrace": compile_with_line_tracing,
+        },
+    )
 
 with open("README.md") as f:
     long_description = f.read()