--- title: 'Fixing the Cinnamon error "int() argument must be a string, a byte-like object or real number, not ''NoneType''"' url: 'https://ra1ahq.blog/en/ustranenie-oshibki-cinnamon-int-argument-must-be-a-string-a-byte-like-object-or-real-number-not-nonetype' markdown: 'https://ra1ahq.blog/en/ustranenie-oshibki-cinnamon-int-argument-must-be-a-string-a-byte-like-object-or-real-number-not-nonetype.md' lang: en date: '2026-07-28' description: 'When loading a list of applets (small applications) into the system tray, the error "int() argument must be a string..." occurs. Introd' taxonomy: category: - blog tag: - Linux archives_month: - jul_2026 archives_year: - '2026' --- # Fixing the Cinnamon error "int() argument must be a string, a byte-like object or real number, not 'NoneType'" 28 July 2026 ![Fixing the Cinnamon error "int() argument must be a string, a byte-like object or real number, not 'NoneType'"](https://ra1ahq.blog/images/2/5/2/2/f/2522fee0200032c4706f13cb47ffa184dda63415-error-cinnamon.png)17:38 ### Fixing the Cinnamon error "int() argument must be a string, a byte-like object or real number, not 'NoneType'" [Linux](https://ra1ahq.blog/en/tag:Linux) 28 July 2026 17:38 When loading a list of applets (small applications) into the system tray, the error "int() argument must be a string..." occurs. ### Introduction What is the Cinnamon desktop for? In addition to being very beautiful, it is also functional. Cinnamon is the default desktop for Linux Mint, but it can be installed on Debian and other Linux operating systems. Its special feature is the ability to add mini-applications (downloaded from the Internet) to the system panel. On one of the machines I used the "Radio 3.0" application - an excellent Cinnamon utility for listening and recording Internet radio stations. Installation of the Cinnamon desktop is done with the command: ``` sudo apt update sudo apt install cinnamon ``` Then you need to log out and in the welcome window, before entering your username and password, change the desktop type in the list. For example, instead of the "Default" desktop, select Cinnamon. ### Problem On the taskbar, I right-clicked on the space next to the left of the System Tray. [ ![applets](https://ra1ahq.blog/images/c/0/a/4/f/c0a4f3833c4a4500ac5bba906255add28aa517f3-applets.png "applets")](https://ra1ahq.blog/images/c/0/a/4/f/c0a4f3833c4a4500ac5bba906255add28aa517f3-applets.png) Then, to load a list of Cinnamon mini-applications, I select the bookmark with the mouse **"Applets"**. [ ![download](https://ra1ahq.blog/images/5/9/3/5/9/593594a034449d5b04bcf40840cee300e57a02ba-download.png "download")](https://ra1ahq.blog/images/5/9/3/5/9/593594a034449d5b04bcf40840cee300e57a02ba-download.png) The list of applications is either not displayed or an error occurs when loading the list **"int() argument must be a string, a byte-like object or real number, not 'NoneType'".** [ ![cinnamon_error](https://ra1ahq.blog/images/1/f/6/9/a/1f69a530f76ad5f8586fe263228d06787ecf7db0-cinnamonerror.png "cinnamon_error")](https://ra1ahq.blog/images/1/f/6/9/a/1f69a530f76ad5f8586fe263228d06787ecf7db0-cinnamonerror.png) The reason is not the lack of Internet connection, but the careless writing of the program code **Spices.py** by Cinnamon programmers. Under some data transfer conditions, the content length may take on invalid values ​​that are not cast to int. The following solution to the problem was found on the Linux Mint forum website - topic ["Cinnamon 6.6.7: Applets Download fails after update (int() argument must be a string, not NoneType)"](https://forums.linuxmint.com/viewtopic.php?p=2809868). ### Solution The solution is shown in the figure. File ``` /usr/share/cinnamon/cinnamon-settings/bin/Spices.py ``` The erroneous line in Cinnamon 6.x is number 423 (in the old version of Cinnamon 5.2.7 - line 393), or search for "content-length". [ ![cinnamon-spices](https://ra1ahq.blog/images/e/4/b/2/f/e4b2f0562671c6b0ff141284d3ab594dc03534e9-cinnamon-spices.png "cinnamon-spices")](https://ra1ahq.blog/images/e/4/b/2/f/e4b2f0562671c6b0ff141284d3ab594dc03534e9-cinnamon-spices.png) Correcting the text: [ ![good_source](https://ra1ahq.blog/images/6/1/2/a/4/612a41ce2c74b14eb5dba4973f72b4ed6084509f-goodsource.png "good_source")](https://ra1ahq.blog/images/6/1/2/a/4/612a41ce2c74b14eb5dba4973f72b4ed6084509f-goodsource.png) Was: `totalSize = int(response.headers.get('content-length'))` Became: `content_length=response.headers.get('content-length')

totalSize = int(content_length) if content_length is not None else -1` (Saving the file requires administrator rights, so Mousepad or another text editor must be launched with the command `sudo`. Indent the text with spaces rather than tabs, because... this requires the Python programming language). After which you need to end the operating system session and log in again. Listing and loading of Cinnamon Applets now works. [ ![good_spices_finish](https://ra1ahq.blog/images/c/9/b/7/2/c9b72c3cb9d7580ff39b86fe453ec1fcb329018c-goodspicesfinish.png "good_spices_finish")](https://ra1ahq.blog/images/c/9/b/7/2/c9b72c3cb9d7580ff39b86fe453ec1fcb329018c-goodspicesfinish.png) ### P.S. I recommend the Internet radio applet **Radio3.0** from claudiux or simpler **Radio++** by jonath92. Both widgets have the ability to search for Internet radio stations and add them to your Favorites. [ ![radio](https://ra1ahq.blog/images/f/b/5/a/0/fb5a095ed248231845157d3040fe209c35674ede-radio.png "radio")](https://ra1ahq.blog/images/f/b/5/a/0/fb5a095ed248231845157d3040fe209c35674ede-radio.png) ### Related publications [ ![](https://ra1ahq.blog/images/f/3/a/2/c/f3a2c07ef5b32c0308ab703405a5a5ca87b75283-archer-ac600-728.webp) Установка драйвера ядра для Wi-Fi адаптера TP-Link после обновления ОС Debian ](https://ra1ahq.blog/en/ustanovka-draivera-yadra-dlya-wi-fi-adaptera-tp-link-posle-obnovleniya-os-debian) [ ![](https://ra1ahq.blog/images/d/2/5/c/7/d25c7282750b398f71041fb8b90640b692e7e4b8-decibelfmtitle.png) Linux Cinnamon Desktop Applets for Listening to Internet Radio Stations ](https://ra1ahq.blog/en/applety-dlya-rabochego-stola-linux-cinnamon-dlya-proslushivaniya-internet-radiostancii) [ ![No picture](https://ra1ahq.blog/user/themes/mytheme/images/no-image.png) Passing a parameter to a Linux module/driver ](https://ra1ahq.blog/en/peredacha-parametra-modulyu-draiveru-linux) [ ![](https://ra1ahq.blog/images/5/c/4/e/a/5c4ea9c8c3f0b4dd890116d8fe7cbadfdb9814ba-archer-ac600.webp) Installing the TP-Link Archer T600U Nano Wi-Fi adapter driver in Debian 13 "Trixie" ](https://ra1ahq.blog/en/ustanovka-draivera-wi-fi-adaptera-tp-link-archer-t600u-nano-v-debian-13-trixie) [ ![](https://ra1ahq.blog/images/b/f/f/0/f/bff0f99f5897e0420fac9a6eef7254247f39c29d-pulseaudio-equalizer.png) Installing the audio equalizer pulseaudio-equalizer-ladspa on Linux ](https://ra1ahq.blog/en/ustanovka-v-linux-ekvalaizera-zvuka-pulseaudio-equalizer-ladspa) [ Backward](https://ra1ahq.blog/en/ustanovka-draivera-wi-fi-adaptera-tp-link-archer-t600u-nano-v-debian-13-trixie "Previuous page") [ Forward ](https://ra1ahq.blog/en/peredacha-parametra-modulyu-draiveru-linux "Next page") ## Languages - 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