added space between arguments in function definition

Co-Authored-By: Mathieu Besançon <[email protected]>

Author: pkj-m

src/coloring/high_level.jl

@@ -14,7 +14,7 @@ struct AcyclicColoring <: SparseDiffToolsColoringAlgorithm end
     The coloring defaults to a greedy distance-1 coloring.
 
 """
-function ArrayInterface.matrix_colors(A::AbstractMatrix,alg::SparseDiffToolsColoringAlgorithm = GreedyD1Color(); partition_by_rows::Bool = false)
+function ArrayInterface.matrix_colors(A::AbstractMatrix, alg::SparseDiffToolsColoringAlgorithm = GreedyD1Color(); partition_by_rows::Bool = false)
     _A = A isa SparseMatrixCSC ? A : sparse(A) # Avoid the copy
     A_graph = matrix2graph(_A, partition_by_rows)
     return color_graph(A_graph, alg)