Fixed the namespace warning

julia/src/inner_loop/monotonic_basin_hopping.jl

@@ -1,5 +1,3 @@
-using Dates
-
 export mbh
 
 """
@@ -40,7 +38,7 @@ Returns a random date between two dates
 """
 function gen_date(date_range::Tuple{DateTime, DateTime})
   l0, lf = date_range
-  l0 + Dates.Millisecond(floor(rand()*(lf-l0).value))
+  l0 + Millisecond(floor(rand()*(lf-l0).value))
 end
 
 """
@@ -48,7 +46,7 @@ Returns a random amount of time in a range
 """
 function gen_period(date_range::Tuple{DateTime, DateTime})
   l0, lf = date_range
-  Dates.Millisecond(floor(rand()*(lf-l0).value))
+  Millisecond(floor(rand()*(lf-l0).value))
 end
 
 """
@@ -190,10 +188,10 @@ end
 function mbh( flybys::Vector{Body},
               sc::Sc,
               start_mass::Float64,
-              launch_window::Pair{Date},
+              launch_window::Tuple{DateTime, DateTime},
               max_C3::Float64,
               max_v∞::Float64,
-              latest_arrival::Date,
+              latest_arrival::DateTime,
               primary::Body=Sun;
               search_patience::Int=1_000,
               drill_patience::Int=50)