fix and activate pep E305

.github/workflows/lint.yml

@@ -20,8 +20,8 @@ jobs:
       - name: Run pycodestyle
         shell: bash -l {0}
         # We currently only check for some warnings. We should enable & fix more of them.
-        run: pycodestyle --select=E111,E221,E222,E225,E227,E228,E302,E306,E401,E701,E702,E703,E704,W391,W605,E711,E713,E721 spherogram_src/
-        run: pycodestyle --select=E111,E221,E222,E225,E227,E228,E306,E401,E701,E702,E703,E704,W391,W605,E711,E713,E721 dev/
+        run: pycodestyle --select=E111,E221,E222,E225,E227,E228,E302,E305,E306,E401,E701,E702,E703,E704,W391,W605,E711,E713,E721 spherogram_src/
+        run: pycodestyle --select=E111,E221,E222,E225,E227,E228,E305,E306,E401,E701,E702,E703,E704,W391,W605,E711,E713,E721 dev/
       - name: Run cython-lint
         shell: bash -l {0}
         run: cython-lint .

dev/DTcodes.py

@@ -65,14 +65,18 @@ def partition_list(L, parts):
 # equivalent to interchanging the other pair.  So in practice we
 # only interchange the North-South pair.
 
+
 South, East, North, West = 0, 1, 2, 3
 
+
 class FlippingError(Exception):
     pass
 
+
 class EmbeddingError(Exception):
     pass
 
+
 class DTvertex(tuple):
     """
     A vertex of the 4-valent graph which is described by a DT code.

dev/dev_malik/fast_jones_patch.py

@@ -118,21 +118,23 @@ def all_labels(strand_vars):
     return strand_labels
 
 
-def combine_strands(v1,v2, common_label):
+def combine_strands(v1, v2, common_label):
     labels1 = var_to_strand_labels(v1)
     labels2 = var_to_strand_labels(v2)
     l1 = labels1[1 - labels1.index(common_label)]
     l2 = labels2[1 - labels2.index(common_label)]
     l1, l2 = sorted([l1,l2])
     return sympy.Symbol('P'+str(l1)+'c'+str(l2))
 
+
 def remove_squares(monomial):
     A, B = sympy.symbols('A,B')
     strand_vars = monomial.free_symbols - set([A,B])
     for v in strand_vars:
         monomial = monomial.subs(v*v,-A**2-(1/A)**2)
     return monomial
 
+
 def remove_loops(monomial):
     A, B = sympy.symbols('A,B')
     strand_vars = monomial.free_symbols - set([A,B])
@@ -144,11 +146,13 @@ def remove_loops(monomial):
 
 
 def var_to_strand_labels(v):
-    return map(int,str(v)[1:].split('c'))
+    return map(int, str(v)[1:].split('c'))
+
 
 def join_strands(v1, v2):
     pass
 
+
 """
 def jones_ring(n):
     names_dict = {(i,j):'P'+str(i)+'c'+str(j) for i in range(2*n) for j in range(i,2*n)}