datetime_utils.h: include <chrono>

amadeus84 · amadeus84 · commit 153b3aa53abf · 2022-03-26T14:27:26.000-04:00
diff --git a/datetime_utils.h b/datetime_utils.h
@@ -9,6 +9,7 @@
 #include <cstdlib>
 #include <map>
 #include <ranges>
+#include <chrono>
 
 // Convenience functions for converting C/C++ time objects to datetime.datetime
 // objects. These are outside the matplotlibcpp namespace because they do not
