Fix matplotlib linegraph and bargraph for the case when xmax < xmin i…

…n config (#2124)

* Fix matplotlib linegraph and bargraph when xmax < xmin

* [automated] Update CHANGELOG.md

* pedantic

* Update multiqc/plots/boxplot.py

---------

Co-authored-by: MultiQC Bot <multiqc-bot@seqera.io>
Co-authored-by: Phil Ewels <phil.ewels@seqera.io>

CHANGELOG.md

@@ -12,6 +12,7 @@
 - Strict mode: rename `config.lint` to `config.strict`, crash early on module or template error. Add `MULTIQC_STRICT=1` ([#2101](https://github.com/ewels/MultiQC/pull/2101))
 - Trigger changelog entry addition on PR creation, in addition to an explicit comment to multiqc-bot ([#2102](https://github.com/ewels/MultiQC/pull/2102))
 - Fix adding changelog entries with backticks from PR titles ([#2115](https://github.com/ewels/MultiQC/pull/2115))
+- Fix matplotlib linegraph and bargraph for the case when `xmax` `<` `xmin` in config ([#2124](https://github.com/ewels/MultiQC/pull/2124))
 - Add `--require-logs` flag to error out if requested modules not used ([#2109](https://github.com/ewels/MultiQC/pull/2109))
 - Fix for python 3.12: replace removed `distutils` ([#2113](https://github.com/ewels/MultiQC/pull/2113))
 - Bundle lzstring to fix Python 3.12 ([#2119](https://github.com/ewels/MultiQC/pull/2119))

multiqc/plots/boxplot.py

@@ -176,7 +176,7 @@ def matplotlib_boxplot(plotdata, pconfig=None):
         elif "xCeiling" in pconfig:
             xmax = min(pconfig["xCeiling"], default_xlimits[1])
         if (xmax - xmin) < pconfig.get("xMinRange", 0):
-            xmax = xmin + pconfig["xMinRange"]
+            xmax = xmin + pconfig.get("xMinRange", 0)
         axes.set_xlim((xmin, xmax))
 
         # Plot title

multiqc/plots/linegraph.py

@@ -500,7 +500,7 @@ def matplotlib_linegraph(plotdata, pconfig=None):
         elif "xCeiling" in pconfig:
             xmax = min(pconfig["xCeiling"], default_xlimits[1])
         if (xmax - xmin) < pconfig.get("xMinRange", 0):
-            xmax = xmin + pconfig["xMinRange"]
+            xmax = xmin + pconfig.get("xMinRange", 0)
         axes.set_xlim((xmin, xmax))
 
         # Plot title