From fddbb2e856c8522c68016327911f8c9e765fdb2c Mon Sep 17 00:00:00 2001
From: "raffaele.gaetano" <raffaele.gaetano@cirad.fr>
Date: Thu, 20 Apr 2023 15:52:54 +0200
Subject: [PATCH] FIX: minor fix on input parsing.

---
 TimeSeries/s2theia.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TimeSeries/s2theia.py b/TimeSeries/s2theia.py
index c218936..fa6665d 100644
--- a/TimeSeries/s2theia.py
+++ b/TimeSeries/s2theia.py
@@ -811,7 +811,7 @@ class S2TheiaPipeline:
                             d = datetime.datetime.strptime(align_to, '%Y%m%d')
                             t.rigid_align(ref_date=align_to, match_band=align_using_band-1)
                         except:
-                            warnings.warn("Provided string is not a valid date nor a valid file.")
+                            raise ValueError("Provided string is not a valid date nor a valid file.")
                     elif align_to is None:
                         t.rigid_align(match_band=align_using_band-1)
                 t.reproject(self.output_epsg)
-- 
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