prints the top but NOT the inserts

.gitmodules

+[submodule "boxes"]
+	path = boxes
+	url = https://github.com/florianfesti/boxes.git

boxes @ 6174b32d

+Subproject commit 6174b32dd000c15763d5371930d98858d9b2e099

insert.py

+import os
+import sys
+sys.path.insert(0, os.getcwd()+"/boxes")
+
+from boxes import *;
+import svgwrite;
+
+# Some useful information about boxes
+# Edge types:
+# 'C': 'Click on (top)',
+# 'D': 'Dove Tail Joint (opposing side)',
+# 'E': 'Straight Edge (outset by thickness)',
+# 'F': 'Finger Joint (opposing side)',
+# 'G': 'Edge with pear shaped mounting holes',
+# 'I': 'Edge with hinge pin',
+# 'J': 'Edge with hinge pin (other end)',
+# 'K': 'Edge with hinge pin (both ends)',
+# 'L': 'Edge for slide on lid (box back)',
+# 'M': 'Edge for slide on lid (box left)',
+# 'N': 'Edge for slide on lid (box right)',
+# 'O': 'Edge with chest hinge (other end)',
+# 'P': 'Edge with chest hinge (other end)',
+# 'Q': 'Edge opposing a chest hinge',
+# 'R': 'Rack (and pinion) Edge',
+# 'S': 'Stackable (top)',
+# 'T': 'Triangle for handle',
+# 'U': 'Edge with cabinet hinges top side',
+# 'V': 'Edge with cabinet hinges 90° lid',
+# 'X': 'Flex cut',
+# 'Y': 'Handle with holes for parallel finger joint',
+# 'Z': 'Edge with grooves (opposing side)',
+# 'c': 'Click on (bottom side)',
+# 'd': 'Dove Tail Joint',
+# 'e': 'Straight Edge',
+# 'f': 'Finger Joint',
+# 'g': 'Corrugated edge useful as an gipping area',
+# 'h': 'Edge (parallel Finger Joint Holes)',
+# 'i': 'Straight edge with hinge eye',
+# 'j': 'Straight edge with hinge eye (other end)',
+# 'k': 'Straight edge with hinge eye (both ends)',
+# 'l': 'Edge for slide on lid (back)',
+# 'm': 'Edge for slide on lid (left)',
+# 'n': 'Edge for slide on lid (right)',
+# 'o': 'Edge with chest hinge',
+# 'p': 'Edge with chest hinge',
+# 'q': 'Edge with pins for an chest hinge',
+# 's': 'Stackable (bottom, finger joint holes)',
+# 't': 'Triangle for handle',
+# 'u': 'Edge with cabinet hinges',
+# 'v': 'Edge with cabinet hinges for 90° lid',
+# 'y': 'Handle for e.g. a drawer',
+# 'z': 'Edge with grooves',
+# '|': 'Edge (orthogonal Finger Joint Holes)',
+# 'Š': 'Stackable edge with finger holes (top)',
+# 'š': 'Stackable feet (bottom)'
+
+class ShelfInsert(Boxes): 
+    """Example: Single Shelve to screw to the wall"""
+
+    ui_group = "Shelves" # change for generators belonging in another group
+    
+    def __init__(self):
+        Boxes.__init__(self)
+        # arguments
+        self.addSettingsArgs(edges.FingerJointSettings, finger=3.0) # arguments for finger joints
+        self.buildArgParser("sx", "sy", "h", "outside")
+
+    @property
+    def fingerholedepth(self):
+        if self.fingerhole == 'custom':
+            return self.fingerhole_depth
+        elif self.fingerhole == 'regular':
+            a = self.h/4
+            if a < 35:
+                return a
+            else:
+                return 35
+        elif self.fingerhole == 'deep':
+            return self.h-self.thickness-10
+        elif self.fingerhole == 'none':
+            return 0
+
+    def xSlots(self):
+        posx = -0.5 * self.thickness
+        for x in self.sx[:-1]:
+            posx += x + self.thickness
+            posy = 0
+            for y in self.sy:
+                self.fingerHolesAt(posx, posy, y)
+                posy += y + self.thickness
+
+    def ySlots(self):
+        posy = -0.5 * self.thickness
+        for y in self.sy[:-1]:
+            posy += y + self.thickness
+            posx = 0
+            for x in reversed(self.sx):
+                self.fingerHolesAt(posy, posx, x)
+                posx += x + self.thickness
+
+    def xHoles(self):
+        posx = -0.5 * self.thickness
+        for x in self.sx[:-1]:
+            posx += x + self.thickness
+            self.fingerHolesAt(posx, 0, self.hi)
+
+    def yHoles(self):
+        posy = -0.5 * self.thickness
+        for y in self.sy[:-1]:
+            posy += y + self.thickness
+            self.fingerHolesAt(posy, 0, self.hi)
+        
+    def render(self):
+        if self.outside:
+            self.sx = self.adjustSize(self.sx)
+            self.sy = self.adjustSize(self.sy)
+            self.h = self.adjustSize(self.h, e2=False)
+            
+        x = sum(self.sx) + self.thickness * (len(self.sx) - 1)
+        y = sum(self.sy) + self.thickness * (len(self.sy) - 1)
+        h = self.h
+        t = self.thickness
+
+        # floor
+        self.rectangularWall(x, y, "eeee", callback=[self.xSlots, self.ySlots], move="up", label="top")
+
+        
+        # Inner walls
+
+        be = "f" if b != "e" else "e"
+
+        ######
+        for i in range(len(self.sy) - 1):
+
+           #edge1 = edges.SlottedEdge(self, self.sx, be)
+           #print(edge1)
+           print(self.sx[::-1])
+           e = edges.SlottedEdge(boxes=self, sections=self.sx[::-1], slots=0.5 * h)
+           #print(edge2 + "f")
+
+           # self.rectangularWall(x, h, [edge1, "f", edge2, "f"], move="up", label=f"inner x {i+1}")
+           #self.rectangularWall(x, h, [e, "e", "e", "e"], move="up", label=f"inner x {i+1}")
+                            
+# inner walls
+        for i in range(len(self.sx) - 1):
+            e = [edges.SlottedEdge(self, self.sy, be, slots=0.5 * h),
+                 "f", "e", "f"]
+            
+            #self.rectangularWall(y, h, #e                    [e,"e","e","e"], move="up", label=f"inner y {i+1}")
+            
+        # inner walls
+        # for i in range(len(self.sx) - 1):
+        #     e = [edges.SlottedEdge(self, self.sy, be, slots=0.5 * hi),
+        #          "f", "e", "f"]
+        #     if self.closedtop and sameh:
+        #         e = [edges.SlottedEdge(self, self.sy, be, slots=0.5 * hi),"f",
+        #              edges.SlottedEdge(self, self.sy[::-1], "f"), "f"]
+        #     self.rectangularWall(y, hi, e, move="up", label=f"inner y {i+1}")
+
+
+b = ShelfInsert()
+b.parseArgs(['--sx=50*4', '--sy=50*2', '--h=26', '--reference=0', '--debug=0'])
+b.open()
+b.render()
+data = b.close()
+with open("shelfInsert.svg","wb") as file: 
+    file.write(bytes(data.getvalue()))
+    file.close()

requirements.txt

+affine==2.4.0
+alabaster==0.7.13
+Babel==2.14.0
+certifi==2024.6.2
+charset-normalizer==3.3.2
+click==8.1.7
+docutils==0.19
+Flask==2.2.5
+geos==0.2.3
+idna==3.7
+imagesize==1.4.1
+importlib-metadata==6.7.0
+itsdangerous==2.1.2
+Jinja2==3.1.4
+lxml==5.2.2
+Markdown==3.4.4
+MarkupSafe==2.1.5
+numpy==1.21.6
+packaging==24.0
+Pillow==9.5.0
+Pygments==2.17.2
+pypng==0.20220715.0
+pytz==2024.1
+qrcode==7.4.2
+requests==2.31.0
+shapely==2.0.4
+snowballstemmer==2.2.0
+Sphinx==5.3.0
+sphinxcontrib-applehelp==1.0.2
+sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-htmlhelp==2.0.0
+sphinxcontrib-jsmath==1.0.1
+sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-serializinghtml==1.1.5
+svgwrite==1.4.3
+typing_extensions==4.7.1
+urllib3==2.0.7
+Werkzeug==2.2.3
+zipp==3.15.0