highs.py: formatting with black

Author: rschwarz

mip/highs.py

@@ -23,6 +23,7 @@
     else:
         # Try library from highsbox, which is optional dependency.
         import highsbox
+
         root = highsbox.highs_dist_dir()
 
         # Need library matching operating system.
@@ -1098,7 +1099,9 @@ def set_max_nodes(self: "SolverHighs", max_nodes: int):
     def get_max_nodes_same_incumbent(self: "SolverHighs") -> int:
         return self._get_int_option_value("mip_max_stall_nodes")
 
-    def set_max_nodes_same_incumbent(self: "SolverHighs", max_nodes_same_incumbent: int):
+    def set_max_nodes_same_incumbent(
+        self: "SolverHighs", max_nodes_same_incumbent: int
+    ):
         self._set_int_option_value("mip_max_stall_nodes", max_nodes_same_incumbent)
 
     def set_num_threads(self: "SolverHighs", threads: int):
@@ -1333,7 +1336,7 @@ def constr_get_index(self: "SolverHighs", name: str) -> int:
         if status == STATUS_ERROR:
             # This means that no constraint with that name was found. Unfortunately,
             # Highs: getRowByName doesn't assign a value to idx in that case.
-            return  -1
+            return -1
         return idx[0]
 
     # Variable-related getters/setters
@@ -1556,7 +1559,9 @@ def _get_dual_solution_status(self: "SolverHighs"):
         return self._get_int_info_value("dual_solution_status")
 
     def _has_dual_solution(self: "SolverHighs"):
-        return self._get_dual_solution_status() == self._lib.kHighsSolutionStatusFeasible
+        return (
+            self._get_dual_solution_status() == self._lib.kHighsSolutionStatusFeasible
+        )
 
     def get_status(self: "SolverHighs") -> mip.OptimizationStatus:
         OS = mip.OptimizationStatus
@@ -1584,7 +1589,9 @@ def get_status(self: "SolverHighs") -> mip.OptimizationStatus:
         status = status_map[highs_status]
         if status is None:
             # depends on solution status
-            status = OS.FEASIBLE if self._has_primal_solution() else OS.NO_SOLUTION_FOUND
+            status = (
+                OS.FEASIBLE if self._has_primal_solution() else OS.NO_SOLUTION_FOUND
+            )
         return status
 
     def cgraph_density(self: "SolverHighs") -> float: