CVXPY
Minimize
  Sum(Hstack(x), None, False)
Subject To
 7: 1.0 <= x
Bounds
 x free
End
----------------------------------------
AFTER COMPILATION
Minimize
  C0
Subject To
 R0: - C0 <= -1
Bounds
 C0 free
End
----------------------------------------
GUROBI
Minimize
  x[0]
Subject To
 7[0]: x[0] >= 1
Bounds
 x[0] free
End