- fixes issues with units conversion when the tool diameters are a list of comma separated values (NCC Tool, SolderPaste Tool and Geometry Object)

- fixed a "typo" kind of bug in SolderPaste Tool
- RELEASE 8.919

flatcamTools/ToolNonCopperClear.py

@@ -343,7 +343,7 @@ class NonCopperClear(FlatCAMTool, Gerber):
         })
 
         try:
-            dias = [float(eval(dia)) for dia in self.app.defaults["tools_ncctools"].split(",")]
+            dias = [float(eval(dia)) for dia in self.app.defaults["tools_ncctools"].split(",") if dia != '']
         except:
             log.error("At least one tool diameter needed. Verify in Edit -> Preferences -> TOOLS -> NCC Tools.")
             return

flatcamTools/ToolSolderPaste.py

@@ -482,7 +482,7 @@ class SolderPaste(FlatCAMTool):
             self.on_tool_delete(rows_to_delete=None, all=None), icon=QtGui.QIcon("share/delete32.png"))
 
         try:
-            dias = [float(eval(dia)) for dia in self.app.defaults["tools_solderpaste_tools"].split(",")]
+            dias = [float(eval(dia)) for dia in self.app.defaults["tools_solderpaste_tools"].split(",") if dia != '']
         except:
             log.error("At least one Nozzle tool diameter needed. "
                       "Verify in Edit -> Preferences -> TOOLS -> Solder Paste Tools.")