various pep8 fixes

lmfdb/artin_representations/main.py

@@ -245,9 +245,11 @@ def artin_postprocess(res, info, query):
     cache = knowl_cache(gp_labels)
     return [ArtinRepresentation(data=x, knowl_cache=cache) for x in res]
 
+
 class ArtinDownload(Downloader):
     table = db.artin_reps
     title = "Artin representations"
+
     def modify_query(self, info, query):
         query['Hide'] = 0
 

lmfdb/elliptic_curves/elliptic_curve.py

@@ -473,9 +473,11 @@ def make_modcurve_link(label):
     ListCol("mwgens", "ec.mordell_weil_group", "MW-generators", mathmode=True, default=False),
 ])
 
+
 class ECDownloader(Downloader):
     table = db.ec_curvedata
     title = "Elliptic curves"
+
     def modify_query(self, info, query):
         if info.get("optimal") == "on":
             query["__one_per__"] = "lmfdb_iso"

lmfdb/elliptic_curves/test_browse_page.py

@@ -76,6 +76,7 @@ def test_jump(self):
         self.check_args("/EllipticCurve/Q/?jump=4x%5E3+%2B+4x+%2B+1", '91a1')
     #
     # Various search combinations
+
     def test_search(self):
         r"""
         Check that various search combinations work.

lmfdb/galois_groups/main.py

@@ -125,6 +125,7 @@ class GG_download(Downloader):
             }
         ),
     }
+
     def modify_query(self, info, query):
         _set_show_subs(info)
 

lmfdb/groups/abstract/main.py

@@ -3038,6 +3038,7 @@ class SubgroupSearchArray(SearchArray):
     sorts = [("", "ambient order", ['ambient_order', 'ambient_counter', 'quotient_order', 'counter']),
              ("sub_ord", "subgroup order", ['subgroup_order', 'ambient_order', 'ambient_counter', 'counter']),
              ("sub_ind", "subgroup index", ['quotient_order', 'ambient_order', 'ambient_counter', 'counter'])]
+
     def __init__(self):
         abelian = YesNoBox(name="abelian", label="Abelian", knowl="group.abelian")
         cyclic = YesNoBox(name="cyclic", label="Cyclic", knowl="group.cyclic")
@@ -3142,6 +3143,7 @@ def search_types(self, info):
 class ComplexCharSearchArray(SearchArray):
     sorts = [("", "group", ['group_order', 'group_counter', 'dim', 'label']),
              ("dim", "degree", ['dim', 'group_order', 'group_counter', 'label'])]
+
     def __init__(self):
         faithful = YesNoBox(name="faithful", label="Faithful", knowl="group.representation.faithful")
         dim = TextBox(
@@ -3216,6 +3218,7 @@ def __init__(self):
             [center_order, center_index] #, nt]
 
         ]
+
     def search_types(self, info):
         # Note: since we don't access this from the browse page, info will never be None
         return [("ComplexCharacters", "Search again"), ("RandomComplexCharacter", "Random")]
@@ -3251,8 +3254,9 @@ def __init__(self):
         )
 
         self.refine_array = [
-            [group,order,size]
+            [group, order, size]
         ]
+
     def search_types(self, info):
         # Note: since we don't access this from the browse page, info will never be None
         return [("ConjugacyClasses", "Search again")]

lmfdb/groups/abstract/web_groups.py

@@ -1736,7 +1736,7 @@ def nonsplit_products(self):
         nonsplit = []
         subs = defaultdict(list)
         for sub in self.subgroups.values():
-            if sub.normal and (sub.split == False):
+            if sub.normal and (sub.split is False):
                 pair = (sub.subgroup, sub.quotient)
                 if pair not in subs:
                     nonsplit.append(sub)

lmfdb/lfunctions/Lfunctionutilities.py

@@ -222,6 +222,7 @@ def Lfactor_to_label_and_link_if_exists(poly):
         return label
     return '<a href="%s">%s</a>' % (url_for_label(label), label)
 
+
 def display_isogeny_label(L):
     g = L.degree // 2
     bad_primes = [factor[0] for factor in L.bad_lfactors]
@@ -230,12 +231,13 @@ def display_isogeny_label(L):
     if g <= 3:
         return True
     elif g == 4:
-        return any(not(p in bad_primes) for p in [2,3,5])
+        return any(p not in bad_primes for p in [2, 3, 5])
     elif g == 5:
-        return any(not(p in bad_primes) for p in [2,3])
-    else: # g == 6
+        return any(p not in bad_primes for p in [2, 3])
+    else:  # g == 6
         return not (2 in bad_primes)
 
+
 def lfuncDShtml(L, fmt):
     """ Returns the HTML for displaying the Dirichlet series of the L-function L.
         fmt could be any of the values: "analytic", "langlands", "abstract"

lmfdb/lfunctions/main.py

@@ -359,12 +359,14 @@ def common_parse(info, query):
 
 class LfuncDownload(Downloader):
     table = db.lfunc_search
+
     def postprocess(self, rec, info, query):
         rec['mus'] = list(zip(rec['mu_real'], rec['mu_imag']))
-        rec['nus'] = [(0.5*r, i) for r, i in zip(rec['nu_real_doubled'], rec['nu_imag'])]
+        rec['nus'] = [(0.5 * r, i)
+                      for r, i in zip(rec['nu_real_doubled'], rec['nu_imag'])]
         if info['search_array'].force_rational:
             # root_angle is either 0 or 0.5
-            rec['root_number'] = 1 - int(4*rec['root_angle'])
+            rec['root_number'] = 1 - int(4 * rec['root_angle'])
         return rec
 
 @search_wrap(table=db.lfunc_search,

lmfdb/local_fields/family.py

@@ -53,9 +53,10 @@ def __init__(self, label=None, base=None, slopes=[], means=[], rams=[], field_ca
         assert p.is_prime()
         self.pw = p**w
         _, self.etame = self.e.val_unit(p)
+
     @lazy_attribute
     def scaled_rams(self):
-        return [r / (self.etame * self.p**i) for (i, r) in enumerate(self.rams, 1)]
+        return [r / (self.etame * self.p**i) for i, r in enumerate(self.rams, 1)]
 
     @lazy_attribute
     def dots(self):

lmfdb/local_fields/main.py

@@ -116,9 +116,9 @@ def local_algebra_data(labels):
             l = str(f['new_label'])
         else:
             l = str(f['old_label'])
-        ans += '<tr><td><a href="%s">%s</a><td>'%(url_for_label(l),l)
+        ans += '<tr><td><a href="%s">%s</a><td>' % (url_for_label(l), l)
         ans += format_coeffs(f['coeffs'])
-        ans += '<td>%d<td>%d<td>%d<td>' % (f['e'],f['f'],f['c'])
+        ans += '<td>%d<td>%d<td>%d<td>' % (f['e'], f['f'], f['c'])
         ans += transitive_group_display_knowl(f['galois_label'])
         if f.get('slopes') and f.get('t') and f.get('u'):
             ans += '<td>$' + show_slope_content(f['slopes'],f['t'],f['u'])+'$'
@@ -1527,6 +1527,7 @@ class FamilySearchArray(EmbeddedSearchArray):
         ("s", "top slope", ['top_slope', 'ctr_subfamily', 'ctr']),
         ("ind_of_insep", "Index of insep", ['ind_of_insep', 'ctr_subfamily', 'ctr']),
     ]
+
     def __init__(self, fam):
         degree, qp, c, e, f, topslope, slopes, visible, ind_insep, associated_inertia, jump_set, gal, aut, u, t, inertia, wild, family, packet, hidden = common_boxes()
         if fam.packet_count is None:

lmfdb/modular_curves/main.py

@@ -1096,6 +1096,7 @@ class RatPointSearchArray(SearchArray):
              ("conductor", "minimal conductor norm", ["conductor_norm", "j_height", "jinv", "degree", "curve_level", "curve_genus", "curve_index", "curve_label"]),
              ("residue_field", "residue field", ["degree", "residue_field", "curve_level", "curve_genus", "curve_index", "curve_label", "j_height", "jinv"]),
              ("cm", "CM discriminant", ["cm", "degree", "curve_level", "curve_genus", "curve_index", "curve_label", "j_height", "jinv"])]
+
     def __init__(self):
         curve = TextBox(
             name="curve",

lmfdb/utils/uploader.py

@@ -351,11 +351,13 @@ def review_cols(self, user_shown, statuses):
             cols.insert(0, StatusBox())
         return cols
 
+
 class Uploader():
     # Override in subclass
     title = None
     bread = None
     learnmore = None
+
     def __init__(self, sections):
         self.sections = sections
         self.section_lookup = {section.name: section for section in sections}