fixed version check

Author: Olumayowa-Olowomeye

experimental/algorithm/LAGraph_LouvainIS.c

@@ -525,8 +525,7 @@ int LAGraph_LouvainIS(
 
     LG_FREE_EXTRACT;
     LG_FREE_ALL;
+    return (GrB_SUCCESS) ;
 #else
-    LG_ASSERT(false, GrB_NOT_IMPLEMENTED);
-#endif
-    return 0;
-}	
+    return (GrB_NOT_IMPLEMENTED);
+#endif	

experimental/algorithm/LAGraph_LouvainSeq.c

@@ -369,8 +369,7 @@ int LAGraph_LouvainSeq(
     (*S_result) = S;
     S = NULL;
     LG_FREE_ALL;
+    return (GrB_SUCCESS) ;
 #else
-    LG_ASSERT(false, GrB_NOT_IMPLEMENTED);
+    return (GrB_NOT_IMPLEMENTED);
 #endif
-    return 0;
-}

experimental/algorithm/LaGr_Modularity2.c

@@ -75,6 +75,7 @@ int LAGr_Modularity2(
     GrB_Matrix S,
     char *msg)
 {
+    #if LG_SUITESPARSE_GRAPHBLAS_V10
     LG_CLEAR_MSG;
     char MATRIX_TYPE[LAGRAPH_MSG_LEN];
 
@@ -128,5 +129,7 @@ int LAGr_Modularity2(
     *Q = Q_;
 
     LG_FREE_ALL;
-    return 0;
-}
+    return (GrB_SUCCESS) ;
+#else
+    return (GrB_NOT_IMPLEMENTED);
+#endif