Cleaned up jupyter container, fixed PATH

jupyter/build/build.fish

@@ -5,7 +5,8 @@ set is_quiet true
 set root_dir "."
 
 function build_image
-	# First argument: (optional) remove parent image? (true or false)
+	# First argument: remove parent image?
+	# 	true or false, optional, default is false
 	# Second argument: file name to build
 
 	# Parse arguments
@@ -13,7 +14,7 @@ function build_image
 		set remove_previous $argv[1]
 		set build_file $argv[2]
 	else if test (count $argv) -eq 1
-		set remove_previous true
+		set remove_previous false
 		set build_file $argv[1]
 	end
 
@@ -41,7 +42,7 @@ end
 date "+Build started at %Y-%m-%d %T"
 echo ""
 
-# Base image MUST be built first
+# Base image must be built first
 printf "Building base image...\n"
 docker build \
 	--quiet=$is_quiet \
@@ -52,17 +53,17 @@ printf "Done. \n\n"
 
 
 
-build_image false octave
-build_image false r
-build_image false julia
-#build_image false sage (BROKEN)
+build_image octave
+build_image r
+build_image julia
+#build_image sage (BROKEN)
 
-build_image false plugins
-build_image false pymodules
+build_image plugins
+build_image pymodules
 
 # Manim will not install under python 3.10.
 # 3.9 works (see arguments for base above)
-#build_image false manim
+#build_image manim