Fix ISO value handling

.github/ISSUE_TEMPLATE/issue-report.md

@@ -0,0 +1,72 @@
+---
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README.md

@@ -2,6 +2,7 @@
 
 ![picframe logo](https://github.com/helgeerbe/picframe/wiki/images/Picframe_Logo.png)
 
+- [![PyPI version](https://badge.fury.io/py/picframe.svg)](https://badge.fury.io/py/picframe)
 - [PictureFrame powered by pi3d](#pictureframe-powered-by-pi3d)
 - [What Is PictureFrame?](#what-is-pictureframe)
 - [History of PictureFrame](#history-of-pictureframe)

pyproject.toml

@@ -24,7 +24,7 @@ readme = "README.md"
 license = {text = "MIT"}
 requires-python = ">=3.7"
 classifiers=[
-    "Development Status :: 4 - Beta",
+    "Development Status :: 5 - Production/Stable",
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",

src/picframe/get_image_meta.py

@@ -192,6 +192,9 @@ def get_exif(self, key):
                 for iso in iso_keys:
                     val = self.__get_if_exist(iso)
                     if val:
+                        # If ISO is returned as a tuple, take the first element
+                        if type(val) is tuple:
+                            val = val[0]
                         break
             else:
                 val = self.__get_if_exist(key)