fix table generate

markdown_utils/MarkdownUtils.py

@@ -18,10 +18,10 @@ class MarkdownTable:
             self.rows.append(row_data)
 
     def __str__(self):
-        table = "| "
+        table = "|"
 
         for header in self.headers:
-            table += "{} | ".format(header)
+            table += " {} |".format(header)
 
         table += "\n"
 
@@ -30,6 +30,6 @@ class MarkdownTable:
 
         for row in self.rows:
             table += "\n"
-            table += " | ".join(row)
+            table += " | ".join(map(str, row))
 
         return table