Merge branch 'fix-paths' into 'master'

Add PYTHONPATH env variable

See merge request dprl/lgeval!1

README.md

@@ -11,13 +11,15 @@
 
 # Label Graph Evaluation Tools (LgEval) 
 
-**Changes Aug 2021**
+**Changes Aug 2021 - Oct 2021**
 
 * Improved HTML error visualization (aks)
 * README update / refresh, updates for MathJax-3 and support (rz)
 * Added CROHME 2019 conversion scripts (rz)
+* Made translation/MathML unknown symbol errors optional (rz)
+* Standardized import statements, added PYTHONPATH to installation instructions (aks)
 
-## Version 0.3.7 (Aug 2021)
+## Version 0.3.7.1 (Oct 2021)
    
    
 *Copyright (c) 2012-2021, Richard Zanibbi, Harold Mouchère, and Ayush Kumar Shah*
@@ -107,7 +109,7 @@ Make sure that *CROHMELibDir* and *LgEvalDir* are defined in
 	export LgEvalDir=<path_to_LgEval>
 	export CROHMELibDir=<path_to_CROHMELib>  	
 	export PATH=$PATH:$CROHMELibDir/bin:$LgEvalDir/bin
- 
+	export PYTHONPATH=$PYTHONPATH:$(dirname "$LgEvalDir"):$(dirname "$CROHMELibDir"):
 
 
 ##  <a name="lgdescription"></a>Label Graph File Format