Use correct method to format datetime

yuvipanda · yuvipanda · commit 5947b756bab3 · 2023-06-11T13:09:48.000+05:30
diff --git a/repo2docker/buildpacks/r.py b/repo2docker/buildpacks/r.py
@@ -270,7 +270,7 @@ def get_build_scripts(self):
         """
         if self.checkpoint_date < RSPM_CUTOFF_DATE:
             raise RuntimeError(
-                f'Microsoft killed MRAN, the source of R package snapshots before {RSPM_CUTOFF_DATE.strptime("%Y-%m-%d")}. '\
+                f'Microsoft killed MRAN, the source of R package snapshots before {RSPM_CUTOFF_DATE.strftime("%Y-%m-%d")}. '\
                 f'This repo has a snapshot date of {self.checkpoint_date.strftime("%Y-%m-%d")} specified in runtime.txt. '\
                 'Please use a newer snapshot date'
             )

Original file line number	Diff line number	Diff line change
`@@ -270,7 +270,7 @@ def get_build_scripts(self):`
`270`	`270`	`"""`
`271`	`271`	`if self.checkpoint_date < RSPM_CUTOFF_DATE:`
`272`	`272`	`raise RuntimeError(`
`273`		`- f'Microsoft killed MRAN, the source of R package snapshots before {RSPM_CUTOFF_DATE.strptime("%Y-%m-%d")}. '\`
	`273`	`+ f'Microsoft killed MRAN, the source of R package snapshots before {RSPM_CUTOFF_DATE.strftime("%Y-%m-%d")}. '\`
`274`	`274`	`f'This repo has a snapshot date of {self.checkpoint_date.strftime("%Y-%m-%d")} specified in runtime.txt. '\`
`275`	`275`	`'Please use a newer snapshot date'`
`276`	`276`	`)`