Some PEP8 rectifications

mapytex/calculus/core/renders/tree2tex.py

@@ -126,8 +126,7 @@ def mul2tex(left, right):
 
     if display_time:
         return f"{left_} \\times {right_}"
-    else:
-        return f"{left_}{right_}"
+    return f"{left_}{right_}"
 
 def div2tex(left, right):
     r""" / rendering
@@ -199,12 +198,12 @@ def pow2tex(left, right):
 
     return f"{left_} ^ {right_}"
 
-OPERATOR2tex = {
-        "+": plus2tex,
-        "-": minus2tex,
-        "*": mul2tex,
-        "/": div2tex,
-        "^": pow2tex,
+OPERATOR2TEX = {
+    "+": plus2tex,
+    "-": minus2tex,
+    "*": mul2tex,
+    "/": div2tex,
+    "^": pow2tex,
 }
 
 def tree2tex(tree):
@@ -217,7 +216,7 @@ def tree2tex(tree):
     >>> tree2tex(t)
     '2 + 3 \\times 4'
     """
-    return OPERATOR2tex[tree.node](tree.left_value,  tree.right_value)
+    return OPERATOR2TEX[tree.node](tree.left_value, tree.right_value)
 
 
 # -----------------------------

mapytex/calculus/core/renders/tree2txt.py

@@ -214,11 +214,11 @@ def pow2txt(left, right):
     return f"{left_} ^ {right_}"
 
 OPERATOR2TXT = {
-        "+": plus2txt,
-        "-": minus2txt,
-        "*": mul2txt,
-        "/": div2txt,
-        "^": pow2txt,
+    "+": plus2txt,
+    "-": minus2txt,
+    "*": mul2txt,
+    "/": div2txt,
+    "^": pow2txt,
 }
 
 def tree2txt(tree):
@@ -231,7 +231,7 @@ def tree2txt(tree):
     >>> tree2txt(t)
     '2 + 3 * 4'
     """
-    return OPERATOR2TXT[tree.node](tree.left_value,  tree.right_value)
+    return OPERATOR2TXT[tree.node](tree.left_value, tree.right_value)
 
 
 # -----------------------------