Fixed encoding issue on SVG export in certain cases.

Author: hcpchris

CHANGES.rst

@@ -1,4 +1,11 @@
 
+Release 1.7.5
+=========================================
+
+* **BUGFIX:** Fixed encoding issue when handling certain exported SVGs from the Node Export Server.
+
+--------------------
+
 Release 1.7.4
 =========================================
 

highcharts_core/__version__.py

@@ -1 +1 @@
-__version__ = '1.7.4'
+__version__ = '1.7.5'

highcharts_core/headless_export.py

@@ -813,7 +813,7 @@ def request_chart(self,
             with open(filename, 'wb') as file_:
                 file_.write(result.content)
         elif filename and self.format_ == 'svg':
-            content = str(result.content, encoding = 'utf-8')
+            content = str(result.content, encoding="utf-8").replace("\u200b", " ")
             with open(filename, 'wt') as file_:
                 file_.write(content)