From cc3be04cd7a34a109cd460a9674463a198f16ae4 Mon Sep 17 00:00:00 2001
From: "Violet M. Harvey" <95004367+vmharvey@users.noreply.github.com>
Date: Thu, 17 Oct 2024 16:08:14 +1030
Subject: [PATCH] Fix exception raised by non-eventio files

---
 src/eventio/base.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/eventio/base.py b/src/eventio/base.py
index 89aaa52..dfa1d01 100644
--- a/src/eventio/base.py
+++ b/src/eventio/base.py
@@ -63,6 +63,7 @@ def __init__(self, path, zcat=True):
         self.read_process = None
         self.zstd = False
         self.next = None
+        self._filehandle = None
 
         if not is_eventio(path):
             raise ValueError('File {} is not an eventio file'.format(path))
@@ -151,7 +152,8 @@ def close(self):
             self.read_process.stderr.close()
             self.read_process.wait(timeout=1)
 
-        self._filehandle.close()
+        if self._filehandle is not None:
+            self._filehandle.close()
 
     def __del__(self):
         self.close()