diff --git a/.gitignore b/.gitignore
index 3c9e8e43..04023115 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,5 +7,10 @@
 /dist/
 /docs/_build/
 /src/*.egg-info/
-__pycache__/
+__pycache__/*
 .idea/
+
+# vscode
+.vscode
+.env
+changelog.txt
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index 1b5cd58f..a25f61fb 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -1,6 +1,6 @@
 Be cordial or be on your way. --Kenneth Reitz
 
-https://www.kennethreitz.org/essays/2013/01/27/be-cordial-or-be-on-your-way
+https://kennethreitz.org/essays/2013/01/27/be-cordial-or-be-on-your-way
 
 # Contributor Covenant Code of Conduct
 
diff --git a/camelot/core.py b/camelot/core.py
index 4448cabe..cd9859f7 100644
--- a/camelot/core.py
+++ b/camelot/core.py
@@ -521,12 +521,12 @@ def set_edges(self, vertical, horizontal, joint_tol=2):
 
     def set_border(self):
         """Sets table border edges to True."""
-        for r in range(len(self.rows)):
-            self.cells[r][0].left = True
-            self.cells[r][len(self.cols) - 1].right = True
-        for c in range(len(self.cols)):
-            self.cells[0][c].top = True
-            self.cells[len(self.rows) - 1][c].bottom = True
+        for index, row in enumerate(self.rows):
+            self.cells[index][0].left = True
+            self.cells[index][len(self.cols) - 1].right = True
+        for index, col in enumerate(self.cols):
+            self.cells[0][index].top = True
+            self.cells[len(self.rows) - 1][index].bottom = True
         return self
 
     def set_span(self):
diff --git a/camelot/parsers/lattice.py b/camelot/parsers/lattice.py
index 01d17d96..5d3c7710 100644
--- a/camelot/parsers/lattice.py
+++ b/camelot/parsers/lattice.py
@@ -156,7 +156,7 @@ def implements_convert():
             return backend
 
     @staticmethod
-    def _reduce_index(t, idx, shift_text):
+    def _reduce_index(table, idx, shift_text):
         """Reduces index of a text object if it lies within a spanning
         cell.
 
@@ -181,32 +181,28 @@ def _reduce_index(t, idx, shift_text):
         indices = []
         for r_idx, c_idx, text in idx:
             for d in shift_text:
-                if d == "l":
-                    if t.cells[r_idx][c_idx].hspan:
-                        while not t.cells[r_idx][c_idx].left:
-                            c_idx -= 1
-                if d == "r":
-                    if t.cells[r_idx][c_idx].hspan:
-                        while not t.cells[r_idx][c_idx].right:
-                            c_idx += 1
-                if d == "t":
-                    if t.cells[r_idx][c_idx].vspan:
-                        while not t.cells[r_idx][c_idx].top:
-                            r_idx -= 1
-                if d == "b":
-                    if t.cells[r_idx][c_idx].vspan:
-                        while not t.cells[r_idx][c_idx].bottom:
-                            r_idx += 1
+                if d == "l" and table.cells[r_idx][c_idx].hspan:
+                    while not table.cells[r_idx][c_idx].left:
+                        c_idx -= 1
+                if d == "r" and table.cells[r_idx][c_idx].hspan:
+                    while not table.cells[r_idx][c_idx].right:
+                        c_idx += 1
+                if d == "t" and table.cells[r_idx][c_idx].vspan:
+                    while not table.cells[r_idx][c_idx].top:
+                        r_idx -= 1
+                if d == "b" and table.cells[r_idx][c_idx].vspan:
+                    while not table.cells[r_idx][c_idx].bottom:
+                        r_idx += 1
             indices.append((r_idx, c_idx, text))
         return indices
 
     @staticmethod
-    def _copy_spanning_text(t, copy_text=None):
+    def _copy_spanning_text(table, copy_text=None):
         """Copies over text in empty spanning cells.
 
         Parameters
         ----------
-        t : camelot.core.Table
+        table : camelot.core.Table
         copy_text : list, optional (default: None)
             {'h', 'v'}
             Select one or more strings from above and pass them as a list
@@ -215,23 +211,23 @@ def _copy_spanning_text(t, copy_text=None):
 
         Returns
         -------
-        t : camelot.core.Table
+        table : camelot.core.Table
 
         """
         for f in copy_text:
             if f == "h":
-                for i in range(len(t.cells)):
-                    for j in range(len(t.cells[i])):
-                        if t.cells[i][j].text.strip() == "":
-                            if t.cells[i][j].hspan and not t.cells[i][j].left:
-                                t.cells[i][j].text = t.cells[i][j - 1].text
+                for i in range(len(table.cells)):
+                    for j in range(len(table.cells[i])):
+                        if table.cells[i][j].text.strip() == "":
+                            if table.cells[i][j].hspan and not table.cells[i][j].left:
+                                table.cells[i][j].text = table.cells[i][j - 1].text
             elif f == "v":
-                for i in range(len(t.cells)):
-                    for j in range(len(t.cells[i])):
-                        if t.cells[i][j].text.strip() == "":
-                            if t.cells[i][j].vspan and not t.cells[i][j].top:
-                                t.cells[i][j].text = t.cells[i - 1][j].text
-        return t
+                for i in range(len(table.cells)):
+                    for j in range(len(table.cells[i])):
+                        if table.cells[i][j].text.strip() == "":
+                            if table.cells[i][j].vspan and not table.cells[i][j].top:
+                                table.cells[i][j].text = table.cells[i - 1][j].text
+        return table
 
     def _generate_table_bbox(self):
         def scale_areas(areas):
diff --git a/camelot/utils.py b/camelot/utils.py
index 29939f68..680ffaec 100644
--- a/camelot/utils.py
+++ b/camelot/utils.py
@@ -79,7 +79,10 @@ def download_url(url):
     """
     filename = f"{random_string(6)}.pdf"
     with tempfile.NamedTemporaryFile("wb", delete=False) as f:
-        headers = {"User-Agent": "Mozilla/5.0"}
+        headers = {
+            "User-Agent": "Mozilla/5.0",
+            "Accept-Encoding": "gzip;q=1.0, deflate;q=0.9, br;q=0.8, compress;q=0.7, *;q=0.1"
+        }
         request = Request(url, None, headers)
         obj = urlopen(request)
         content_type = obj.info().get_content_type()